GENERAL SCIENCE (GENERAL STUDIES)Total Questions: 5031. The sum of potential and kinetic energy is always(a) Zero(b) Positive(c) Negative(d) None of the aboveCorrect Answer: (d) None of the above32. The sum of the change in kinetic and potential energy is always(a) Zero(b) Positive(c) Negative(d) None of the aboveCorrect Answer: (a) Zero33. The potential energy of gravity is defined as(a) mg(b) mg/h(c) mgh(d) g/hCorrect Answer: (c) mgh34. If the K.E. of a body is increased by 300%, its momentum will increase by –(a) 100%(b) 150%(c) √300%(d) 175%Correct Answer: (a) 100%35. Two masses m and 9m are moving with equal kinetic energies. The ratio of the magnitudes of their momenta is –(a) 1 : 1(b) 1 : 3(c) 3 : 1(d) 1 : 9Correct Answer: (b) 1 : 336. Kinetic energy is proportional to(a) v²(b) v(c) a(d) WorkCorrect Answer: (a) v²37. When a gas is compressed, its pressure :(a) increases(b) decreases(c) remains the same(d) none of theseCorrect Answer: (a) increases38. If the weight of a body is more than the weight of the liquid displaced by it, then the body may:(a) float(b) first floats and then sinks(c) sinks(d) neither floats nor sinksCorrect Answer: (a) float39. The thrust is expressed in(a) Newton(b) Pascals(c) N/m²(d) none of theseCorrect Answer: (a) Newton40. When pressure exerted on an enclosed liquid or gas at rest, is transmitted equally in all the directions, is in accordance with:(a) Pascal’s law(b) Boyle’s law(c) Archimedes’ principle(d) Principle of floatationCorrect Answer: (a) Pascal’s lawSubmit Quiz« Previous12345Next »
