23. A bullet of mass 0.1 kg is fired with a speed of 100 m/sec, the mass of gun is 50 kg. The velocity of recoil is
(a) 0.2 m/sec (b) 0.1 m/sec
(c) 0.5 m/sec (d) 0.05 m/sec
Ans. a
(11)
4.9/5 - (7 votes)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (72)
(a) 34 J (b) 70 J (c) 84 J (d) 134 J Answer-d (110)
10. In pressure-volume diagram given below, the isochoric, isothermal, and isobaric parts respectively, are
5 September, 2022
(a) BA, AD, DC (b) DC, CB, BA (c) AB, BC, CD (d) CD, DA, AB Explanation-(d) Process CD is isochoric as volume is constant, Process DA is isothermal as temperature constant and Process AB is isobaric as pressure is …