Physics Questions

Q:

The path of a projectile is called its ______.

A) Altitude B) Range
C) Trajectory D) Flight
 
Answer & Explanation Answer: C) Trajectory

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Q:

_____ is same on every point on a rotating body.

A) Linear velocity B) Linear momentum
C) Angular torque D) Angular velocity
 
Answer & Explanation Answer: D) Angular velocity

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Q:

Contaminated rags are recommended for disposal in landfills.

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

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Subject: Physics
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Q:

Instrument for measuring wind velocity is called

A) Coulombmeter B) Anemometer
C) Cyanometer D) Chronometer
 
Answer & Explanation Answer: B) Anemometer

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Q:

Which of the following is not true about X­rays?

A) have low penetrating power B) travel with the speed of light
C) Can be reflected or refracted D) can affect photographic plates
 
Answer & Explanation Answer: A) have low penetrating power

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Q:

What is impulse equal to?

A) Change in momentum B) Change in force
C) Change in velocity D) Change in acceleration
 
Answer & Explanation Answer: A) Change in momentum

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Q:

When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion?

A) Energy B) Displacement
C) Velocity D) Acceleration
 
Answer & Explanation Answer: A) Energy

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Q:

Supercooling is cooling of liquid _____.

A) below melting point B) below freezing point
C) at melting point D) above melting point
 
Answer & Explanation Answer: B) below freezing point

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