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C) l\'ICM'I C.N.M.&N.D.PAREKH ICIISOClal Shri Vile Parle KelavanJ Mandal's C.N.M. School & N.D. Parekh Pre-Primarv School UNIT TEST 2023-24 PHYSICS DATE STD 24.07.2023 X Number of printed pages - 2 MAX TIME MAR.KS 35 min. 20 Read the question paper carefully before answering the questions. The time given at the head ofthis paper is the time allottedfor writing the answers. The intended marks for questions or parts ofquestions are given in bracket. D (5] 1. Choose the correct option: (i) Centre of gravity of a hollow sphere is_ _ __ (a) (b) (c) (d) Geometric centre radius Midpoint none of the above (ii) A moment of couple has a tendem;y to rotate the bo~y in an anticlockwise direction. Then the moment of couple is taken~as: (a) (b) (c) (d) positive negative maximum zero .. , , r ,:. .,.: ,. J # ,..... I. :, (iii) The kinetic-ene rgy of a given body depends on the: (a). (b)' (c) (d) position -~enter of gravity of the body. mpmentum displaceme nt (iv) Energy of 6000 J is spent in raising a suitcase of mass 50 kg to a vertical height. Calculate the vertical height. (g = IO m s 2) (a) 12 m (b) 12 cm (c) 120 m (d) 1200 m ----------- -------------- ------------- -Std. X - Physics Unit Test -2023-24 Page 1 of2
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