1. Light year unit is-
(A) Time
(B) Distance
(C) intensity
(D) speed
ANS. (B) Distance
2. What is the unit of resistance?
(A) Ampere
(B) Om
(C) Arg
(D) Joule
ANS. (B) OM
3. If the diameter of the capillary is doubled, what will be the height of the water surface in it?
(A) doubled
(B) Half
(C) same
(D) zero
ANS. (A) doubled
4. What is the energy stored in the clock spring?
(A) kinetic energy
(B) potential energy
(C) heat energy
(D) Chemical energy
ANS. (B) potential energy
5. If any other girl sits next to a swinging girl, the periodic-
(A) will increase
(B) will decrease
(C) will remain unchanged
(D. ALL OF THE ABOVE
ANS. (A) will increase
6. Which light is most refracted when passing through a prism?
(A) Green
(B) Red
(C) Orange
(D) Purple
ANS. (D) Purple
27. A piece of ice is floating in a glass filled with water. When ice melts, the water level
(A) will increase
(B) will decrease
(C) will remain unchanged
(D) will increase first then decrease
ANS. (C) will remain unchanged
8. What is called primary color?
(A) Red
(B) Blue
(C) Green
(D) All three
ANS. (D) All three
9. The SI unit of heat is-
(A) Celsius
(B) Fahrenheit
(C) Joule
(D) Watt
ANS. (C) Joule
10. Transformer is a device that-
(A) converts high AC voltage into low AC voltage
(B) Converts low AC voltage to high AC voltage
(C) Used only in AC (alternating current)
(D. ALL OF THE ABOVE
ANS. (C) is used only in AC (alternating current)
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