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This booklet contains 18 printed pages., , , , , , N.P. - 01, , (Ce) Nucleon Kota, , , , , , +, , 10., , a, , Test Booklet Code, , BHUBANESWAR, ODISHA, , , , , , , , , , 0001 W.A.T - 01, , , , , , , , , , , , Time - 3 Hour, , Date - 27.02.2022 Important Instructions :, , m1,, , , , , , NEET, , Do not open thie Teet Booklet until you are aeked to do co. Read carefully the inetructions, Max Mark - 720, , , , The Answer Sheetis inside this Test Booklet. When you are directed to open the Test Booklet, take, out the answer sheet and fill in the particulars on side - 1 carefully with blue /black ball point pen, only., , The test is of 1 hour duration and consists of 1s0 questions, Each equation caries 4 marks. For, each correct response the candidate will get 4 marks. For each incorrect response, 1 mark will be,, deduced. The maximum marks are 720., , Use Blue/Black Ball point pen only for writing partictilars on this page/marking responses., Rough work is tobe. done on the space provided for this purpose in the Test Booklet only:, , On completion of the test, the candidate musthand over the Answer Sheet to the invigilatorin the, Room/Hall. The candidates are allowed to take away this Test Booklet with them ., , The CODE for this Booklet is 0001., , The candidates should ensure that the Ansiwer sheet is not folded. Do not make any stray marks, on the answer sheet. Do not write your roll no. anywhere else exceptin the specified space inthe, test booklet/Answer sheet., , Use of white fluid for correction is not permissible on the answer sheet, Each candidate must show on demand his/her Admission Card to the Invigilator., , No candidate, without special permission of the superintendent or Invigilator, would leave his/her, seat., , The candidates should not jeave the examination Hall without handing over their Answer Sheet to, the Invigilator on duty., , Use of electronic / Manual Calculator is prohibited, , The candidates are govemed by all Rules and Regulations of the NUCLEON KOTA with regard to, their conductin the examination hall: Allcases of unfair means will be dealt with as per Rules and, Regulations of the board., , No part of the Test Booklet and Answer stieet shall be detached under any circumstances,, , , , , , , , Name of the Candidate (in Capital Letters): so. ys net igest lhegtetgetecbegt Daatte ty teed, Roll Number: in figures., , Candidate's Signature! oi oe hci ot Invigilator’s Signature oo 6 eel al tages ee nae, , ad

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2), , 3), , 4), , 5), , 6), , 7), , 8), , 9), , 10), , 11), , 12), , NUCLEON KOTA (ODISHA), , PHYSICS, , When a body is charged by induction, then the body, a) Becomes neutral b) does not lose any charge, ¢) Loses whole of the charge on it d) loses part of the charge on it2), If a body is positively charged, then it has, , a) Excess of electrons b) excess of protons, , c) Deficiency of electrons d) deficiency of neutrons, , On charging by conduction, mass of a body may, , a) Increase b) decreases, , C) Increase or decrease d) none, , Coulomb's law is true for, , att -ts, a) atomic distances a ad b) nuclear distances elorm), c) charged as well as uncharged particles d) all the distances, , Two charges are placed a certain distance apart. A metallic sheet is placed between them. What, will happen to the force between the charges?, , a) Increase b) Decrease, , c) Remains unchanged d) Either a orb, , Which of the following is best insulator?, , a) Carbon b) Paper, , c}) Graphite d) Ebonite, , The distinction between conductors, insulators and semiconductor is largely concerned with, a) their ability to conduct current b) the type of crystal lattice, , c) Binding energy of their electrons d) relative widths of their energy gaps, , A cylindrical conductor is placed near another positively charged conductor. The net charge, acquired by the cylindrical conductor will be, , a) positive only b) negative only, , c) zero d) either positive or negative, , Two spheres A and B of exactly same mass are given equal positive and negative charges, respectively. Their masses after charging, , a) remains unaffected b) mass of A>mass of B, , c} mass of A<mass of 8 d) nothing can be said, , A positive point charge Q is brought near an isolated metal cube, , a) The cube becomes negatively charged., , b) = The cube becomes positively charged., , c) The interior becomes positively charged and the surface becomes negatively charged, , d) The interior remains charge free and the surface gets non-uniform charge distribution., , A ball of charge +50e lies at the centre of a hollow spherical metal shell that has a net charge of —, 150e. The charge on the inner surface and outer surface of the spherical shell is, , a) +50e, ~200e b) -50e, -100e, , c}-50e, -150e d) -50e, +100, , The total positive charge in a glass of water containing 180gm of water is approximately?, a) 1.010" coulomb b) 6.03 x10" coulomb, , ¢) 1.80 x10" coulomb d) 1.2010" coulomb, , 83, OMKAR COMPLEX, DISTRICT CENTRE, C.S. PUR, BHUBANESWAR-16, MOB : 7894224819,7978955646, , E-MAIL ; [email protected]

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13), , 14), , 15), , 16), , 17), , 18), , 19), , 20), , 21), , 22), , 23), , 24), , NUCLEON KOTA (ODISHA), , What happens when some charge is placed on a soap bubble?, , a) Its radius decreases b) Its radius increases, , Cc} Its bubble collapses d) None of the above, Quantisation of charge implies, , a) charge cannot be destroyed, , b) charge exists on particles, , c) there is a minimum permissible charge on a particle, , d) charge, which is a fraction of a coulomb is not possible, , Two charges are placed a certain distance apart in air. If a glass slab is introduced between them,, the force between them will, , a) increase b) decrease c) remains the same d) be zero, , A charge % exerts some force on a second charge %. if third charge is brought near, the force, , of %! exerted on 7, a) decrease b) increases c) remains unchanged, , d) increases if % is of same sign as % and decreases if ® is of opposite sign, , A positively charged rod is brought near an uncharged conductor. If the rod is then suddenly, withdrawn, the charge left on the conductor will be, , a) positive b) negative c) zero d) not sure, , Two identical metal spheres A and 8 are supported on insulating stands and placed in, contact. What kind of charges will A and B develop when a negatively charged ebonite rod is, brought near A?, , i) Awill have a positive charge and B will have a negative charge, , ji} A will have a negative charge and 8 will have a positive charge, , iii) 80th Aand B will have positive charges, , iv) Both Aand B will have negative charges, , The ratio of electric force between two electrons to two protons separated by the same distance, in airis, , a) 10° b) 10° c) 10° d) none, Out of gravitational, electrostatic, vander waal and nuclear forces, which are able to provide, attractive force between two neutrons, , a) electrostatic and gravitational b) electrostatic and nuclear, , c) vander waal and nuclear d) nuclear and gravitational, , The dielectric constant of a metal is, , a)@ bo ci d)none, , A metallic particle having no net charge is placed near a finite metal plate carrying a positive, charge. The electric force on the particle will be, , a) towards the plate b) away from the plate, , Cc) parallel to the plate d) zero, , If a body is charged by rubbing it, its weight, , a) remains precisely constant b) increases slightly, , c) decreases slightly d) may increase slightly or may decrease slightly, Positive electric flux indicates that electric lines of force are directed, , a) outwards b) inwards, , c) outwards or inwards d) none of these, , 83, OMKAR COMPLEX, DISTRICT CENTRE, C.S. PUR, BHUBANESWAR-16, MOB : 7894224819,7978955646, , E-MAIL ; [email protected]

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25), , 26), , 27), , 28), 29), , 30), , 31), , 32), , 33), , 34), , NUCLEON KOTA (ODISHA), , Negative electric flux indicates that electric lines of force are directed, , a) Outwards b) inwards c) Outwards or Inwards d) None of these, , A point charge q is rotated along a circle in the electric field generated by another point charge Q., The work done by the electric field on the rotating charge in one complete revolution is, , a) zero b) positive, , c) negative d) zero if the charge Q Is at the centre and nonzero otherwise, , If the flux of the electric field through a closed surface is zero the electric field must be zero everywhere on the surface, , i) the electric field may be zero everywhere on the surface, , li) the charge inside the surface must not be zero, , iii) the charge in the vicinity of the surface must be zero, , Electric flux at a point in an electric field is, , a) positive b) negative c) zero d) none of these, Electric flux over a surface in an electric field may be, a) positive b) negative c) zero d) positive, negative, zero, , Mark the correct options, i) Gauss’s law is valid only for asymmetrical charge distributions, ii) Gauss’s law is valid only for charge placed in vacuum, iii) The electric field cannot be calculated by Gauss’s law is the field due to the charges inside, the Gaussian surface, iv) The flux of the electric field through a closed surface due to all the charges is equal to the, flux due to the charges enclosed by the surface., + An electric charge, +Q is placed on the surface of a solid, conduction sphere of radius distance, measured from the centre of the sphere is denoted as r. Then, i) the charge gets distributed uniformly through the volume of the sphere, li) the electrostatic potential has the same value for r<a, iii) an equal and opposite charge gets induce in the bottom half of the sphere, 1, 7, iv) the electric field is given by (4reqr’) forr<a, Figure shows a charge q placed at the centre of a hemisphere. A second charge Q is placed at one, of the positions A, B, C and D. In which positions of this second charge, the flux of the electric field, through the hemisphere remains unchanged?, , *D °B, ec eA, *q, a)A b)B dod d) None of these, Debye is the unit of, a) electric flux b) electric dipole moment, c} electric potential d) electric field intensity, An electric dipole will experience a net force when it is placed in, a) a uniform electric field b) a non-uniform electric field, c) both the above cases d) none of these, , 83, OMKAR COMPLEX, DISTRICT CENTRE, C.S. PUR, BHUBANESWAR-16, MOB : 7894224819,7978955646, , E-MAIL ; [email protected]

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35), , 36), , 37), , 38), , 39), , 40), , 41), , 42), , 43), , 44), , 45), , 46), , 47), , 48), , 49), , NUCLEON KOTA (ODISHA), , An electric dipole is kept in a uniform electric field. It experiences, , a) a force and a torque b) a force but no torque, , c) a torque but no force d) neither a force nora torque, An electric dipole is kept in a non-uniform electric field. It experiences, , a) a force and a torque b) a force but no torque, , c) a torque but no force d) neither a force nor a torque, , Electric lines of force, , i) exist everywhere, , ii) exist only in the immediate vicinity of electric charges, , iii) exist only when both positive and negative charges are near one another, , iv) are imaginary, , An electric field can deflect, , a) neutrons b) X-rays ¢) * -rays d) © -particle, , If an electron has an initial velocity in a direction different from that of an electric field, the path of, the electron Is, , a) a straight line b)acircle c) an ellipse d) a parabola, , If a charge is moving along the direction of coulomb’s force of an electric field, , a) work is done by the electric field b) energy is used from some outside source, Cc) strength of field decreases d) energy of the system is decreased, , A hollow sphere of charge does not have electric field at, , a) outer point b) interior point c) beyond 2m d) beyond 100m, , If one enetrates a uniformly charged solid sphere, the electric field E, , a) increases b) decreases ¢) is zero atall points, , d) remains same as at the surface, , If one penetrates a uniformly charged spherical cloud, electric field strength, a) decreases directly as the distance from the centre, , b) increases directly as the distance from the centre, , c) remains constant, , d) none of the above, , Electric lines of force about a negative point charge are, , a) circular anticlockwise b) circular clockwise, c) radial, inwards d) radial, outwards, , In a region with a uniform electric field, the number of lines of force per unit area is E. If a spherical, metallic conductor is placed in the area, the field inside the conductor will be, , , , a) zero bye, c) more than E d) less than E, CHEMISTRY, Which of the following concentration unit is independent of temperature?, a) Normality b) Molarity c} Formality d) Molality, , For a solution concentration can be expressed as 16% w/w as well as 20% w/v. what will be, density of solution?, , a) 1.25gm/L b) O.8gm/L c) 1.25gm/ml d) 0.8gm/ml, lsotonic solutions have same, , a) Molar concentration b) Molality c) Normality d) None of these, The normality of 10% (weight/volume) acetic acid is, , a) 1N b) 10N c) 1.7N d)0.83N, , 83, OMKAR COMPLEX, DISTRICT CENTRE, C.S. PUR, BHUBANESWAR-16, MOB : 7894224819,7978955646, , E-MAIL ; [email protected]