UNIT AND MEASUREMENT (PHYSICS) QUESTION AND ANSWER

1. One 'Light Year' is equal to: a)3×10⁸ b)5× 11¹³ c)7× 8⁹ d)None of these
2. Point out the Scaler quantity from this option: a)Volume b)Length c)Density d)All of the above
3. What is Vector quantity: a)Weight b)Force c)Displacement d)Momentum e)All of the above
4. What is the SI unit of Power: a)Joule b)Newton c)Watt d)erg
5. 1 par sec equal to how many light years: a)3.26 light year b)4.75 light year c) 2 light year d) None of the above
6. Newton discussed about Action and reaction in his: a)1st Law b)2nd Law c)3rd Law d)All of the above
7. 1 Horse Power is equal to: a)1325 watt b)560 watt c)1130 watt d)746 watt
8. The SI unit of Luminous intensity: a)vox b)volt c)candela d)pandelium
9. The SI unit of magnetic flux: a)maxwell b)weber c)watt d)joule
10. The CGS unit of magnetic flux: a)maxwell b)weber c)watt d)joule
11. The SI unit of Electric current: a)coulomb b)watt c)ampere d)none of these
12. Examples of Action & Reaction: a)Rocket motion b)Reaction in a lift c)Recoiling of gun d)All of the above
13.  10⁷ Jule is equal  to: a)1 Joule b) 4 Joule c)100 Joule d)None of the above

ANSWER:

1. a), 2. d), 3. e), 4. c), 5. a), 6. c), 7. d), 8. c), 9. b), 10. a), 11. c), 12. d), 13. a)