Physics Questions

Q:

During the free fall of the object, the decrease in potential energy, at any point in its path, appears as an equal amount of increase in _________________.

 

A) kinetic energy B) work done
C) heat energy D) gravitational force
 
Answer & Explanation Answer: A) kinetic energy

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Q:

Energy possessed by an object by its position or configuration is called

A) Kinetic energy B) Nuclear energy
C) Potential energy D) Electrical energy
 
Answer & Explanation Answer: C) Potential energy

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Q:

What is the SI unit of Charge?

A) Coulomb B) Amperes
C) Watts D) Joules
 
Answer & Explanation Answer: A) Coulomb

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Q:

Which of the following can neither be created nor be destroyed?

A) Velocity B) Power
C) Energy D) Momentum
 
Answer & Explanation Answer: C) Energy

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Q:

The Brownian Motion was discovered by

A) Robert Brown B) Mandel Brown
C) Isaac Newton D) John Brown
 
Answer & Explanation Answer: A) Robert Brown

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Q:

Astronauts inside spaceship feel ___ weight.

A) More B) Less
C) Zero D) Depends on G force
 
Answer & Explanation Answer: C) Zero

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Q:

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

A) 100% B) 25%
C) 50% D) 75%
 
Answer & Explanation Answer: D) 75%

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Q:

Which of the following is used to detect current in a circuit?

A) Galvanometer B) Anemometer
C) Barometer D) Lactometer
 
Answer & Explanation Answer: A) Galvanometer

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