GENERAL SCIENCE (GENERAL STUDIES)Total Questions: 5011. When a substance is heated its density(a) increases(b) decreases(c) remains same(d) none of theseCorrect Answer: (b) decreases12. In SI units, candela is the unit of(a) current(b) temperature(c) luminous intensity(d) none of the aboveCorrect Answer: (c) luminous intensity13. Practical unit of heat is(a) Calorie(b) Horse power(c) Joule(d) WattCorrect Answer: (a) Calorie14. If force and displacement of particle in direction of force are doubled. Work would be –(a) Double(b) 4 times(c) Half(d) 1/4 timesCorrect Answer: (b) 4 times15. If velocity of a body is twice of previous velocity, then kinetic energy will become –(a) 2 times(b) 1/2 times(c) 4 times(d) 1 timesCorrect Answer: (c) 4 times16. The unit of work is(a) newton(b) joule(c) metre(d) secondCorrect Answer: (b) joule17. 1 kilowatt hour is equal to –(a) 1 joule(b) 100 joule(c) 36 joule(d) 3.6 × 10³ kilo jouleCorrect Answer: (d) 3.6 × 10³ kilo joule18. When a stone is thrown upward to a certain height, it possesses –(a) potential energy(b) kinetic energy(c) wind energy(d) sound energyCorrect Answer: (a) potential energy19. kilowatt hour is the unit of –(a) time(b) power(c) energy(d) forceCorrect Answer: (c) energy20. A fast wind can turn the blades of a windmill because it possesses(a) potential energy(b) kinetic energy(c) chemical energy(d) heat energyCorrect Answer: (a) potential energySubmit Quiz« Previous12345Next »
