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VOT er wees, wore measurement], : the Correct option 14, 1 Light year is equal to, «Which of the {a'/sit ‘a Gorted (299-46 «10 em (b) 946% gy, oe? 0) (0) 9-46 « 10" m eh. oe, | (c) Force a deat Of the following are sot a unit of, 2. Which of the follow: :, , | c ae a fundamental 5 — (b) Parse, , | (@) Mass (0) Length emciec Ady Light year, , | (c) Temperature Yay Density ~ “Sinvaslonl oe, , 3 Light year is the unit of rg 16. Dimensional “Tormula for the jincar, (2) time (b) speed momentum is, 4} Adweniel WC oe (2) (ML°T-}y (6) (MOLT, ropomical AU) i =, pr Feteasay wana ) is the average HMA (d) (MuL-*7], Re the carth and the moon 17. Dimensional formula for the pressure is, Udy the earth and the sun Salat: System OvIML 3-7) (&) MT -3, th ascan ete fc) [M1.-*1] (IML, the Jupiter, 18. Dimensional ; ;, S. The order of the magnitude of oumber 11 is constent fs eee, on eS omni, &. The ardor of the Pidion of earth ta ekccis’ erper (a) (M~4Pr, 5. (a) 10° (b) 10-¢ 19. Dimensional formula for the gravitational, \(exT0” (d) 10". on :, Gh a acl Sorter 2] (by MoT], ? =, (2) Angstrom (0) fermi ©» - ()(M“'LT7) (dy [ML }, (c) Light year (Pram., édama = = mee 20. en formula for the moment of, ~— inertia is 3, 1. “Mk ; -77 © ., 6 OE NOK E pug MLTR TY, () 1-66 x 10° kg (41-66 x 10" Mkg, 9. 1 nanometer = TT > fey{ M219 (d) {MALT}, (a) 10~’ cm (b) 107? mm 21. Dimensional formula for the gravitational, UcyI0-? mm (4) 10-7 km. a :, 10. is ms~? is not the unit of (o) (MET) oy TMOLT™*), (a) weight (b) tension ~ 1 7 —3, < ifugal force (y's Kynyfe™ ) [M°LT~) (d) (M°LT~ >)., , 11) 1 Angstrom is equal to 22. Dimensional formula for curic is, , (2) 107"? mm (6) 107 cm (a) (M°LT~'} (6) (M°L~'19), om (d) 107! km. STMT (IML),, , 21 os equal to 23. The velocity of a body falling under gravity”, (2) 10-8 mm (6) 107 cm given by v = g’h®, where ‘g’ is th, ()107"*m \ayto~ 5 = accelcration duc to gravity and A is th, , 13. 1 AU is equal to height. The values of a and b are, , (@)1-Sx 10cm QFTS x 10! m, (2-5 x10" km (4) 9°46 x 10 m, , ictal riieraianiae Re Sa, , (a) (1,1), , Ye, , =., an a

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24, The dimcasional formula for @ in the, , 4, , eyIML= 1-4] (d) ML,, , 26, The dimensional formula of yelocity ar!, is, , (a) (M°LT~') () (MLT- 1, erry (ay (MPT),, , 27. The dimensional formula of stress is = eh, . (a) [ML, (c) [MLT~} (a) (ML*T~?),, , Bhoose the Correct Option /, , 28, The number 0-004 has Sgnilicant figures, , , , equal to, (a) (6) 2, eT (4., 29. The significant figures of number 20340 are, (2) 3 ()4, ey . (dj None of these., 30. The number of significant figures in 0-06900, is, {a)4 bys, (c)2 (d)3., 31, Out of 4:0 and 4-00, which is morc, accurate ? \ You, (a) 4-0 6 VAS, (b) 4-00, \(c) Both are equally accurate, (d) Nothing can be said., , 2. The sum of the numbers 436-32, 227-2 and, 0-301 is (taking significant figures into, , account,, (a) 663-821 WY GL8, — (c) 664 (d) 663-82., , _ If 8, = (10 + 0:1)'C and 6, = (29 +, 0-4)°C, then, - 6, =, (a) (1040-3)°C (6) (10 0-1)"C, , (0) (10 0-4)'C (to + 0-5)°c., , mlationy = Asinetis, (a)(M°LT] ey [MOLor- He, () [ML°r? GB) IMOL='T™"),, 25. The dimensional formula for the pressur, gradicat. re, - Oped — MS., (a) (M°LT™'} (o) IML°r~4} ney, , me t, , , , OTIML = T72) mite, , 34. percentage errors in the measurement of, , al |, , {ee wad length, , 37., , tare and volume of un object are 29% aad | a reapectively, then the percentage error ], in the measurement of the deasity of the, , object is Mac /etray, , (a) 1% Lo 6% * ha bd, , Vey st (d) 6%: BES 7), 2 ., , "35. A physical quantity X « If % error in, a,b andc are 1%, 2% and 4% este, , then 6 % error in X is 5s, ay AOE | a8, , (c) 3% (d) 10%., , 36. The percentage error in the measurement of, , the radius of a sphere is 2%, The percentage, error in the measurement of its surface area, , will be : Urs, (a) 2% (6) 8%, , (c) 82% Vey., , If the percentage crror in the measurement, , of the radius of a sphere is 3%, then the, , percentage error in the measurement of its, i 4, , yolume will be = UW. << », , (a) 3% ~ (b) 6%, fey 9% (d) 12%., 38. The number of significant figures in 0-006, m? are, (a) 1 (b)2, 03 (d) 4., 39. The number of significant figures in 0-700, , 40., , 41,, , os, , m? are, (a)1 ()2, , (d) 4., The number of significant figures in 30-00 m, are, , (a)1 (b) 2, (c)3 a (a, The numbers 2-745 and 2-735 on rounding, , off to 3 significant figures will give, (@) 2-7S and 2-74 (6) 2:74 and 2-74, (c)2-74.and 2:73 (d) 2-75'and 2-73., , o ’, , Qe eee x ah, 3, Salis op bebe « 37%, Surface er af & ara, , : a aiiaeend A ANA e aed