Physics Quiz Based on NCERT for SSC CPO 2016.

1. A person can jump higher on the moon’s surface that on the earth because
(a) The moon’s surface is rough
(b) The moon has no atmosphere
(c) The acceleration due to gravity in moon is smaller than that on the earth.
(d) Moon is cooler than earth.



2. Which of the following is not the unit of energy?
(a) Calorie
(b) Joule
(c) Electron Volt
(d) Watt


3. A passenger in a moving train tosses a coin upward which falls behind him. It implies that the motion of the train is?
(a) accelerated
(b) uniform
(c) retarded
(d) along the circular tracks


4. If a bomb dropped from an airplane explodes in mid-air?
(a) its KE increases
(b) its total energy increases
(c) its total energy decreases
(d) its total momentum decreases


5. Melting point of ice
(a) increase with increase of pressure
(b) decrease with increase of pressure
(c) is independent of pressure
(d) None of these


6. If the temperature inside a room is increased, the relative humidity will?
(a) increase
(b) decrease
(c) remain unchanged
(d) none of these


7. In a transistor, the base is?
(a) an insulator
(b) a conductor of low resistance
(c) a conductor of high resistance
(d) an extrinsic semiconductor


8. Convex mirrors are used as a rear view mirror in motor cycles because
(a) it forms real image
(b) it forms erect (upright) image
(c) it forms smaller image as compared with object
(d) All of the above


9. Which planets do not have satellites revolving around them?
(a) Mars and Venus
(b) Mercury and Venus
(c) Mars and Mercury
(d) Neptune and Pluto


10. Outside of cooking utensils are generally left black from below because
(a) it is difficult to clean daily.
(b) black surface is a good conductor of heat.
(c) black surface is a poor conductor of heat.
(d) black surface is a good absorber of heat.