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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], , PHYSICS TOPIC TEST SERIES 2021-2022, , Test :, , PTT - 01, , SINCE 1984, , TEST DATE : 01-10-2021, (Do not open this Test Booklet until you are asked to do so.), Please read the instructions carefully :, •, , The Test pattern of NEET (UG)-2021 comprises of two Sections., Each subject will consist of two sections. Section A will consist of 35 Questions and Section B will have 15 questions, out, of these 15 Questions, candidates can choose to attempt any 10 Questions., The pattern for the NEET (UG)-2021 Examination for admission in the Session 2021-22 is as follows:, , Sr. No., , Subject(s), , Section(s), , SECTION-A, 1, , w, Ne, , PHYSICS, , te, u, t, No. of Question(s), ti, s, In, t, gh 35, i, 70, L, , Mark(s)*, *(Each Question, Carries 04 (Four), Marks), , 30, 15, , 80, 40, , SECTION-B, TOTAL MARKS, , 280, 140, , Type of, Question(s), , MCQ, (Multiple Choice, Questions)., , 360, 180, , Note : Correct option marked will be given (4) marks and incorrect option marked will be minus one (-1) marks., Ubittemped / Unanswered Questions will be given no marks., , • The important points to note:, I., , Each question carries 04 (four) marks and, for each correct answer candidate will get 04 (four) marks., , II., , For each incorrect answer, 01(one) mark will be deducted from the total score., , III., , To answer a question, the candidate has to find, for each question, the correct answer/ best option., , IV., , However, after the process of the challenge of key, if more than one option is found to be correct then all/any one, of the multiple correct/best options marked will be given four marks (+4)., , •, , Any incorrect option marked will be given minus one mark (-1)., , •, , Unanswered/Unattempted questions will be given no marks. In case, a question is dropped/ ignored, all, candidates will be given four marks (+4) irrespective of the fact whether the question has been attempted or not, attempted by the candidate., , Your Target is to secure Good Rank in Pre-Medical 2022, NLI / 1

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], , INSTRUCTION, •, , The candidates should ensure that the Answer Sheet is not folded. Do not make any stray marks on the Answer Sheet. Do not, write your roll no. anywhere else except in the specified space in the Test Booklet/Answer Sheet., , •, , Before attempting the question paper ensure that it contains all the pages and no question is missing., , •, , Each candidate must show on demand his/her Admission Card to the Invigilator., , •, , If any student is found to have occupied the seat of another student, both the students shall be removed from the examination, and shall have to accept any other penalty imposed upon them., , •, , No candidate, without special permission of the Superintendent or Invigilator, would leave his/her seat., , •, , The candidates should not leave the Examination Hall without handing over their Answer Sheet to the Invigilator on duty and, sign the Attendance Sheet twice. Cases where a candidate has not signed the Attendance Sheet second time will be deemed, not to have handed over Answer Sheet and dealt with as an unfair means case., , •, , Use of Electronic/Manual Calculator is prohibited., , •, , The candidates are governed by all Rules and Regulations of the Board with regard to their conduct in the Examination Hall., All cases of unfair means will be dealt with as per Rules and Regulations of the Board., , •, , te, u, t, ti, s, In, t, gh, i, L, , The candidates will write the Correct Test ID Code as given in the Test Booklet/Answer Sheet in the Attendance Sheet., , w, Key Points of New Light, Test, Series :, Ne, •, , Rapid Fire Revision of all tests Live Classes available on "New LIght Institute", Channel (, , ) before the scheduled test., , •, , Video of all tests' solution available on "New Light Institute" App., , •, , Chat support 24×7 available for the students on "New Light Institute" App., , •, , Test results are regularly sent to the parents and students., For lattest update on NEET, PDF sheets, other examinations and class schedule., Please Subscribe our –, Telegram Channel, , -, , @NewLightInstituteKanpur, , Youtube Channel, , -, , New Light Institute, , NLI / 2

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], , TOPIC : Unit and Measurement, SECTION-A, 1., , 2., , SECTION-A, , The size of molecule can be measured by :, , 1., , (1) screw gauge, , (1), , (2) optical microscope, , (2), , (3) scanning tunneling microscope, , (3), , (4) none of these, , (4), , A vernier callipers has 1 mm marks on the main, scale. It has 20 equal divisions on the vernier scale, which match with 16 main scale divisions. For this, vernier callipers, the least count is :, , 2., 20, , (1) 0.02 mm, , (1) 0.02 mm, , (2) 0.05 mm, , (2) 0.05 mm, , (3) 0.1 mm, , (3) 0.1 mm, , te, u, t, If mass of box is 1.0 kg and mass of gold ring is 3., ti, s, 30gm. Then total mass of box and ring in, In, t, siginificant figure is:, gh, i, L, (1) 1.030, (1) 1.030 kg, w, e, (2) 1.030, N, , 16, , (4) 0.2 mm, , (4) 0.2 mm, , 3., , 1 mm, , 1.0, 30, , (2) 1.03 kg, , 4., , (3) 1.0 kg, , (3) 1.0, , (4) None., , (4), , The solid angle () subtended by the intercepted, area of 1 cm2 of spherical surface about center O, of radius 5 cm will be :, , 4., , A = 1 cm, , 2, , O, , 5 cm, 1 cm2, , 2, , r = 5 cm, , (1) 4 × 10–3 steradian, , (1) 4 × 10–3, , (2) 2 × 10–2 steradian, , (2) 2 × 10–2, , (3) 3 × 10–2 steradian, , (3) 3 × 10–2, , (4) 4 × 10–2 steradian, , (4) 4 × 10–2, NLI / 3, , (), , A = 1 cm, , O, , r = 5 cm, , O

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], 5., , 6., , watt, is the unit of :, kelvin, , 5., , (1) Stefan's constant, , (1), , (2) Wien's constant, , (2), , (3) Cooling's constant, , (3), , (4) Thermal conductance, , (4), , V, where V = (100 ± 5) volts, i, and i = (10 ± 0.2) amperes. What is the total error, in R :, , The resistance R =, , 8., , 9., , R, , :, , (2) 0.7 ohm, , (3) 5.2%, , (3) 5.2%, , (4) 2.5 ohm, , (4) 2.5 ohm, , abc 2, is determined by, d3 e1/ 3, measuring a, b, c, d and e separately with the, percentage error of 2%, 3%, 2%, 1% and 6%, respectively. Minimum amount of error in, measurement is contributed by :, , A physical quantity P , , (2) a, , V = (100 ± 5), , (1) 5%, , (2) 0.7 ohm, , (1) b, , V, i, , i = (10 ± 0.2), , (1) 5%, , 7., , R=, , 6., , w, Ne, , P, , te, u, t, ti, s, In 2%, 3%, 2%, 1%, t, P, gh, i, L, (1) b, 7., , e, , a, b, c, d, , a, b, c, d, 6%, , (2) a, , (3) c, , (3) c, , (4) e, , (4) e, , The sun's angular diameter is measured to be, 0.53o. The distance D of the sun from the Earth is, 1.496 × 1011 m. What is the diameter of sun:, , 0.53o, , 8., , 1.496 × 1011 m, , D, , (1) 1.38 × 1011 m, , (1) 1.38 × 1011 m, , (2) 2.76 × 109 m, , (2) 2.76 × 109 m, , (3) 1.38 × 109 m, , (3) 1.38 × 109 m, , (4) 6.9 × 1011 m., , (4) 6.9 × 1011 m., , If mass is measure in units of  kg, length in m, and time in s then 1 newton would be :, , , , 9., m, , (1) –1–12 unit, , (1) –1–12, , (2) –2 unit, , (2) –2, , (3) –1–1–2 unit, , (3) –1–1–2, , (4) 2 unit, , (4) 2, NLI / 4, , s, , abc 2, d3 e1/ 3, , P

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], 10. If force (F) work (W) and velocity (v) are taken as, , 10., , (F),, , (W), , (v), , (T), , fundamental quantities, the dimensional formula, of time (T) is :, , (1) [W 1F–1v–1], , 1 –1 –1, , (1) [W F v ], (2) [W –1F2v–1], (2) [W –1F2v–1], (3) [W 1F1v–2], , (3) [W 1F1v–2], , (4) [W 1F1v1], , (4) [W 1F1v1], 11. The correct relation between absolute error (a),, true value (a0) and measured value (a) will be :, , 11., , (a), , (1) a = a0 – a, , (1) a = a0 – a, , (2) a0 = a + a, , (2) a0 = a + a, , (3) a = a – a0, , (3) a = a – a0, , (4) a0 =, , 1, (a + a), 2, , (4) a0 =, , (a0), , 1, (a + a), 2, , te, u, t, ti30, main scale exactly coincide with the 30 divisions, s, In, (= 0.5 ), of the vernier scale. If the smallest division of the t, h, main scale is half-a-degree (= 0.5 ) then the least, ig, L, count of the instrument is :, w, (1), Ne, , 12. In an experiment the angles are required to be, measured using an instrument. 29 divisions of the, , (a), , 12., , 29, , o, , o, , (1) One minute, , (2), (2) Half minute, (3), , (3) One degree, , (4), , (4) Half degree., 13. A screw gauge gives the following reading when, used to measure the diameter of a wire., , ., , 13., , Main scale rading : 0 mm, , :0, , Circular scale reading : 52 divisions, , : 52, , Given that 1 mm on main scale corresponds to, 100 divisions of the circular scale. The diameter, of wire from the above data is :, , 1, , (1) 0.52 cm, , (1) 0.52 cm, , (2) 0.052 cm, , (2) 0.052 cm, (3) 0.026 cm, , (3) 0.026 cm, , (4) 0.005 cm., , (4) 0.005 cm., NLI / 5, , 100

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], 14. If the dimensions of a physical quantity are given, , MaLbTc, , 14., , by M aLbTc, then the physical quantity will be :, (1) Pressure if a = 1, b = –1, c = –2, , (1), , a = 1, b = –1, c = –2, , (2) Velocity if a = 1, b = 0, c = –1, , (2), , a = 1, b = 0, c = –1, , (3) Acceleration if a = 1, b = 1, c = –2, , (3), , a = 1, b = 1, c = –2, , (4) Force if a = 0, b = –1, c = –2., , (4), , a = 0, b = –1, c = –2., , 15. Average size of nucleus and atom are taken as, 10fm and 10 Å respectively. If size of nucleus is, scaled upto the size of tip of sharp pin that is 0.1, mm then size of atom in same scale will be :, , 10 fm, , 15., , 10, , Å, 0.1 mm, , (1) 1 mm, (1) 1 mm, (2) 1 cm, (2) 1 cm, (3) 1 m, , (3) 1 m, , (4) 10 m, , (4) 10 m, , 16. The ratio of the dimensions of Plank’s constant, , 16., , te, u, t, (1), ti, s, In (2), t, gh (3), i, L, , and that of moment of inertia is the dimension of:, (1) Time, (2) Frequency, (3) Angular momentum, , ew, N, If velocity of light (c), acceleration due to gravity, , (4), , (4) Velocity., 17., , 17., , (g) and power (p) are taken as the fundamental, units, what will be the dimensional formula for, mass in this system of units :, (1) [pc2g2], (2) [p2c–3g4], –1 –1, (3) [pc g ], (4) [p2g2g–3], 18. Two clocks are being tested against a standard, , (c),, , (g), , (1) [pc2g2], , (2) [p2c–3g4], , (3) [pc–1g–1], , (4) [p2g2g–3], , 18., , clock. At 12 : 00 : 00 noon by standard clock the, , 12 : 00 : 00, , reading of two clocks for three days are :, -1, , -2, , 12 : 00 : 11, , 11 : 59 : 45, , 12 : 00 : 11, , 11 : 59 : 59, , 12 : 00 : 30, , 11 : 59 : 59, , 12 : 00 : 30, , Wednesday 12 : 00 : 14, , 12 : 00 : 13, , 12 : 00 : 14, , 12 : 00 : 13, , Day, , Clock - 1, , Clock - 2, , Monday, , 11 : 59 : 45, , Tuesday, , (1) Clock-1 is more precise, , (1), , -1, , (2) Clock-2 is more accurate, , (2), , -2, , (3) Clock-1 is less accurate, , (3), , -1, , (4) Clock-2 is more precise., , (4), , -2, , NLI / 6, , (p)

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], 19. The number of significant figures in all the given, numbers 25.1, 2009, 4.1 and 1.217 × 10–4 is :, (1) 1, 4, 2, 3, , (1) 1, 4, 2, 3, , (2) 1, 2, 2, 4, , (2) 1, 2, 2, 4, , (3) 3, 2, 2, 4, , (3) 3, 2, 2, 4, , (4) 3, 4, 2, 4, , (4) 3, 4, 2, 4, , 20. What is the unit of permeability :, (1) Henry per metre, , (1), , (2) Tesla metre per ampere, , (2), , (3) Weber per ampere metre, , (3), , (4) All the above units are correct., , (4), 21., , (, , K, , ):, , –3, , (1) MLT K, , (1) MLT–3K, , (2) MLT–2K, , (2) MLT–2K, , (3) MLT–2K–2, , (3) MLT–2K–2, , te, u, t, ti MLT, (4), (4) MLT K ., s, In, The distance at which average radius of earth's t22., orbit subtends an angle of 1 arc second is :, gh 1, i, L, w, Sun, Ne, –3, , 1.217 × 10–4, , 20., , 21. Dimensional formula for thermal conductivity is, (here K denotes the temperature) :, , 22., , 25.1, 2009, 4.1, , 19., , –3, , –1, ,  = 1 arc second, , distance, , K–1., , r, ,  =1, , r, , earth, , (1) Astronomical unit, , (1), , (2) Parallactic second, , (2), , (3) Light year, , (3), , (4) Inter steller distance, , (4), , 23. It x = at + bt3 + ct2 is dimensionally correct then, dimension of a,b,c are : Where x = displacement, and t = time :, , x = at + bt3 + ct2, , 23., , t, , a,b,c, , (1) a = [LT–1], b = [LT–3], c = [LT–2], , (1) a = [LT–1], b = [LT–3], c = [LT–2], , (2) a = [L], b = [L2], c = [L3], , (2) a = [L], b = [L2], c = [L3], , (3) a = [T], b = [T2], c = [T3], , (3) a = [T], b = [T2], c = [T3], , (4) None of these, , (4), NLI / 7, , x

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], 24. Power P is related to distance x and time t as, , bx, b, . Find the dimensional formula for, :, a, at, 2, , P=, , –1 –2, , P, , 24., , x, , P=, , t, , b, a, , 2, , (1) [M L T ], , b  x2, ., at, , :, , (1) [M–1L–2T2], , (2) [M–1L2T–2], , (2) [M–1L2T–2], , (3) [ML–2T2], , (3) [ML–2T2], , (4) [ML2T–2], , (4) [ML2T–2], , 25. A length is measured as 2500 m by a meter scale., , 25., , 2500 m, , Which of the following statement is correct :, (1), , (1) number of significant figure in given data is 2 only, , 2, , (2), , (2) number of significant figure in given data is 2 and it, , 2, 2.5 km, , should be written as 2.5 km, (3), (3) number of significant figure in given data is 4 but it, , 4, 3, , 2.500 × 10 m, , should be written as 2.500 × 103 m, , (4), , 4, , te, u, t, Dimension formula for Boltzmann's constant (k) : 26. ti, ns(1) [MLT  ], (1) [MLT  ], I, ht, g, (2) [ML T  ], (2) [ML T  ], Li, w, (3) [ML T  ], (3) [ML T  ], Ne, (4) number of significant figure in given data is 4 at all, , 26., , –2, , –1, , –2, , –1, , 2, , –1, , –1, , 2, , –1, , –1, , 2, , –2, , –1, , 2, , –2, , –1, , (4) [ML2T–2 ]., , (4) [ML2T–2 ]., , 27. The values of two resistors are R1 = (6 ± 0.3)k, and R2 = (10 ± 0.5)k. The percentage error in the, equivalent resistance when they are connected, in series is :, , 27., , R 1 = (6 ± 0.3)k, R2 = (10 ± 0.5)k, , (1) 5%, , (1) 5%, , (2) 2%, , (2) 2%, , (3) 10.125%, , (3) 10.125%, , (4) 7%., , (4) 7%., , 28. A force F is given by F = at +, , (k), , b 2, t , where t is time., a, , F = at +, , 28., b, , What are the dimensions of b :, (1) [M2L3T–7], , (1) [M2L3T–7], , (2) [M3L2T–3], , (2) [M3L2T–3], , (3) [M2L2T–7], , (3) [M2L2T–7], , (4) [M2L2T–3], , (4) [M2L2T–3], NLI / 8, , b 2, t, a, , t

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], 29. For estimation of molecular size of oleic acid, , 29., 2.5 × 10–3 cm3, , (soapy liquid), a small drop of volume 2.5 × 10–3, , 1.25 m2, , cm3 put on surface of water. The oleic acid spreads, into a monomolecular layer of area 1.25 m2. Size, of oleic acid molecule will be :, , –3, , = 2.5 × 10 cm, 2, = 1.25 m, , drop of volume = 2.5 × 10–3 cm3, area = 1.25 m2, , thickness, of, mono-molecular, layer, , water, , (1) 2 nm, , (1) 2 nm, , (2) 5 nm, , (2) 5 nm, , (3) 2 mm, , (3) 2 mm, , (4) 5 mm., , (4) 5 mm., , te, u, t, (N  N ), ti, ,, perpendicular to z axis is given by N = D, s, (z  z ), In, t, where N and N are the number of particles per h, z, g, i, unit volume at z and z respectively. What is the, D, L, dimensional formula for D :, w, (1) [M L, Ne, , 30. The number of particles crossing per unit area, , 2, , 3, , 2, , 1, , 2, , 1, , 30., , 1, , 2, , z, , N = D, , N, , (N2  N1 ), (z 2  z1 ), , N2, , N1 z2, , 1, , 1, , 0 –1, , (1) [M0L–1T2], , (2) [M0L–1T–1], , (2) [M0L–1T–1], , (3) [M0L2T0], , (3) [M0L2T0], , (4) [M0L2T2], , (4) [M0L2T2], 31. The percentage errors in the measurement of mass, and speed are 2% and 3% respectively. How much, will be the maximum error in the estimate of the, kinetic energy obtained by measuring mass and, speed :, , 2%, , 31., 3%, , (1) 11%, , (1) 11%, , (2) 8%, , (2) 8%, , (3) 5%, , (3) 5%, , (4) 1%., , (4) 1%., 32. Which of the following is incorrect :, , T2], , 32., , (1) Torque : Newton metre, , (1), , (2) Avogadro number (NA = 6.023 × 1023) : unitless, , (2), , (3) Angular impulse : Newton metre second, , (3), , (4) Surface tension : kilogram second–2, , (4), NLI / 9, , :, (NA = 6.023 × 1023) :, :, :, , –2

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], a, , b, , –c, , 33. A physical quantity is given by X = M L T . The, percentage error in measurement of M, L and T, are ,  and  respectively. The maximum, percentage error in the quantity X is :, , X = MaLbT–c, , 33., , , , , T, , (1) a + b + c, , (1) a + b + c, , (2) a + b – c, , (2) a + b – c, , a b c,  ,   , , (3), , (4) None of these, , (4), , (3), , M, L, , , X, , a b c,  ,   , , 34., , 34. Tesla is a unit for measuring :, (1) Magnetic moment, , (1), , (2) Magnetic induction, , (2), , (3) Magnetic field intensity, , (3), , (4) Magnetic pole strength., , (4), , 35. The main scale of a veriner calliper read in, millimeter and its vernier is divided into ten, divisions which coincide with 9 division of the, main scale. When the two jaws of the instrument, touch each other, the seventh division of the, veriner coincides to main scale and zero of the, vernier lies to the left of the zero of main scale., Find the value of zero error:, , w, Ne, , 35., , te, u, t, ti, s, In, t, gh, i, L, , 9, , (1) + 0.07 mm, , (1) + 0.07 mm, , (2) + 0.3 mm, , (2) + 0.3 mm, , (3) – 0.7 mm, , (3) – 0.7 mm, , (4) –0.3 mm, , (4) –0.3 mm, SECTION-B, , SECTION-B, 36. The period of oscillation of a simple pendulum is, , l, given by T = 2, where 'l' is about 100 cm and, g, , T = 2, , 36., 'l', , 100 cm, , is knwon to have 1 mm accuarcy. The time period, is about 2s. The time of 50 oscillations is measured, by a stop watch of least count 0.1 s. The, percentage error in g is :, , (1) 0.1%, , (1) 0.1%, (2) 0.2%, , (2) 0.2%, , (3) 0.3%, , (3) 0.3%, , (4) 0.8%, , (4) 0.8%, NLI / 10, , 1 mm, (T), , 0.1, , g, , l, g, , 2, , 50

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], 37. If two different systems of units of accelerations is, represented by the same number, if velocity is, represented, , by, , numbers, , in, , the, , 37., , ratio, , 1:3, , 1 : 3. The ratios of units of length and time are :, (1) 1/3, 1/9, , (1) 1/3, 1/9, , (2) 1/9, 1/3, , (2) 1/9, 1/3, , (3) 1, 1, , (3) 1, 1, , (4) None of these., , (4), , 38. If the velocity of light (c), graviational constant (G), and Plank's constant (h) are chosen as fundamental, units, then the dimensions of mass in new system, is :, , 38., , (c),, (h), , (1) c1/2G1/2h1/2, , (1) c1/2G1/2h1/2, , (2) c1/2G1/2h–1/2, , (2) c1/2G1/2h–1/2, , (3) c1/2G–1/2h1/2, , (3) c1/2G–1/2h1/2, , (4) c–1/2G1/2h1/2, , (4) c–1/2G1/2h1/2, , 39. Match the following two columns :, Column I, , 39., , Column II, 3, , –3, , –2, , A. Electric resistance, , p. ML T A, , B. Electric potential, , q. ML2T–3A–2, , C. Specific resistance, , r., , D. Specific, , s., , ML2T–3A–1, , w, None of these, Ne, , te, u, t, ti, s, A., In, t, gh B., i, L, C., , conductance, (1) A-q, B-s, C-r, D-p, , (2) A-q, B-r, C-p, D-s, , (3) A-p, B-q, C-s, D-r, , (4) A-p, B-r, C-q, D-s, , 40. A physical quantity of the dimensions of time that, can be formed out of c, G and, ,  e2 , (3) c G, ,  40 , , q. ML2T–3A–2, , (2) A-q, B-r, C-p, D-s, , (3) A-p, B-q, C-s, D-r, , (4) A-p, B-r, C-q, D-s, , e2, 40, , [, e, 1, e2, G, (1), c 4 0, 1/ 2, ,  e2 , G, ,  40 , , 1/ 2, , e2 , 2 , (3) c G, ,  40 , , 1/ 2, , 1  e2 , (4) 2 , , c  G4 0 , ,  e2 , , ,  G4 0 , , NLI / 11, , ML2T–3A–1, , r., , 1/ 2, , 2, , 1, (4) 2, c, , p. ML3T–3A–2, , (1) A-q, B-s, C-r, D-p, , 1, (2) 3, c, , 1/ 2, , 1  e2 , (2) 3 G, , c  40 , , - II, , s., , e2, is [c is velocity, 40, , 1, e2, G, c 4 0, , -I, , D., , 40. c, G, , of light, G is universal constant of gravitation and, e is charge] :, (1), , (G), , 1/ 2, , c, , G, ], , :

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], 41. If the length of rod A is (2.02 ± 0.01) cm and that of, B is (3.97 ± 0.01) cm, then the rod B is longer than, , 41., , A, , (2.02 ± 0.01) cm, , (3.97 ± 0.01) cm, , B, , A, , B, , rod A by :, (1) 1.95 cm, , (1) 1.95 cm, , (2) (1.95 ± 0.01) cm, , (2) (1.95 ± 0.01) cm, , (3) 1.95 cm ± 0.0102, , (3) 1.95 cm ± 0.0102, , (4) (1.95 ± 0.03) cm, , (4) (1.95 ± 0.03) cm, , 42. If the units of mass, length and time are doubled,, , 42., , then unit of gravitational constant will be :, (1) Douboled, , (1), , (2) Tripled, , (2), , (3) Quadrupled, , (3), , te, u, t, i, A physical quantity x depends on quantities y and 43. st, z as follows : x = Ay + B tan Cz, where A, B and C, In, t, are constants. Which of the following do not have h, C, g, the same dimensions :, Li, w, (1) x, (1) x and B, Ne, (4), , (4) Remain same., 43., , x, , x = Ay + B tan Cz,, , z–1, , (3) y and B/A, , (3) y, , B/A, , (4) x and A., , (4) x, , A., , 44. When a wave traverses a medium, the, displacement of a particle located at x at a time t, , t, , 44., , a, b, , constants of the waves. Which of the following is, a quantity with dimensions :, , y, a, , (1), , y, a, , (2) bt, , (2) bt, , (3) cx, , (3) cx, , (4), , b, c, , (4), NLI / 12, , A, B, , x, , y = a sin (bt – cx),, , is given by y = a sin (bt – cx), where a, b and c are, , (1), , z, , B, , (2) C, , (2) C and z–1, , y, , b, c, , c

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], 45. A spectrometer gives the following reading when, , 45., , used to measure the angle of a prism., Main scale reading : 58.5 degree, , : 58.5, , Vernier scale reading : 09 divisions, , : 09, , Given that 1 division on main scale corresponding, , 0.5, , to 0.5 degree. Total division on the vernier scale, , 30, , is 30 and match with 29 divisions of the main scale., 29, , The angle of the prism from the above data :, (1) 58.59 Degree, , (1) 58.59, , (2) 58.77 Degree, , (2) 58.77, , (3) 58.65 Degree, , (3) 58.65, , (4) 59 Degree, , (4) 59, , te, u, t, uti= 40 ± 0.1, s, In v = 20 ± 0.2, t, gh (1) 1.75, i, L, , 46. In the measurement as the focal length of a, , 46., , concave mirror the object distance is, u = 40 ± 0.1 cm and the real image distance, v = 20 ± 0.2 cm. The maximum % error in the, measurement of f is :, (1) 1.75, , w, Ne, , f, , %, , (2) 2.25, , (2) 2.25, (3) 0.75, , (3) 0.75, , (4) 0.3, , (4) 0.3, 47. A student measured the length of a rod and wrote, , 47., , 3.55 cm, , it as 3.55 cm. Which instrument did he use to, measure it :, (1), , 1 cm, , (1) A meter scale of least cound 1 cm, (2) A vernier calliper where the 10 divisions in vernier, , (2), , 10, 9, , scale matches with 9 division in main scale and, , 1 cm, , 5, , main scale has 5 divisions in 1 cm, (3) A screw gauge having 100 divisions in the circular, , (3), , 100, 1 mm, , scale and pitch as 1 mm, (4) A screw gauge having 10 divisions in the circular, scale and pitch as 5 mm., , (4), , 10, 5 mm ., , NLI / 13

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], 48. A student measured the diameter of a small steel, ball using a screw gauge of least count 0.001 cm., The main scale reading is 5 mm and zero of, circular scale division coincides with 25 divisions, above the reference level. If screw gauge has a, zero error of –0.004 cm, the correct diameter of, the ball is :, , 48., , 0.001 cm, 5 mm, 25, –0.004 cm, , (1) 0.529 cm, (1) 0.529 cm, (2) 0.521 cm, , (2) 0.521 cm, , (3) 0.053 cm, , (3) 0.053 cm, , (4) 0.525 cm., , (4) 0.525 cm., 49. The period of oscillation of a simple pendulum in, the experiment is recorded as 2.63 s, 2.56s, 2.40s, respectively. The average absolute error is :, , 49., 2.56s, 2.40s, (1) 0.1 s, , (1) 0.1 s, , (2) 0.086 s, , (2) 0.086 s, , te, u, t, ti, s, In (4) 1.0 s, (4) 1.0 s, t, gh50., i, If E = energy, G = graviational constant, I = impulse, E=, L, GIM, ewsame, and M = mass, the dimensions of, M=, Nare, , (3) 0.01 s, , (3) 0.01 s, , 50., , 2.63 s,, , 2, , E, , 2, , as that of :, (1), , (1) Time, (2) Mass, , (2), , (3) Length, , (3), , (4) Force, , (4), , NLI / 14, , G=, , ,I=, GIM2, E2

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], , w, Ne, , te, u, t, ti, s, In, t, gh, i, L, , NLI / 15

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CRACK NEET 2022 / Physics Topic Test / 01-Oct.-2021, , PTT - 1 [Paper], , w, Ne, , te, u, t, ti, s, In, t, gh, i, L, , NLI / 16