Physics Questions

Q:

The magnitude of buoyant force depends on the .......... of the fluid.

A) mass B) temperature
C) volume D) density
 
Answer & Explanation Answer: D) density

Explanation:
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Q:

If the speed of an object moving along a straight line is constant, its motion is said to be _________.

A) Uniform B) Periodic
C) Circular D) Non-uniform
 
Answer & Explanation Answer: A) Uniform

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Q:

Rate at which velocity changes over time?

A) Speed B) Displacement
C) Acceleration D) Jerk
 
Answer & Explanation Answer: C) Acceleration

Explanation:

Acceleration is nothing but the rate at which velocity changes over time.

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7 1833
Q:

If an object moves with constant velocity,

A) it must have constant speed B) it must have constant direction
C) it must have constant speed in constant direction D) None of the above
 
Answer & Explanation Answer: C) it must have constant speed in constant direction

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Q:

Speed of light is maximum in _____.

A) vacuum B) solids
C) liquids D) gases
 
Answer & Explanation Answer: A) vacuum

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Q:

Which of the following never occurs singly in nature?

A) Inertia B) Momentum
C) Force D) Velocity
 
Answer & Explanation Answer: C) Force

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Q:

The motion of a freely falling body is an example of ________________________ motion.

A) uniformly accelerated B) non-uniformly accelerated
C) constant velocity D) constant speed
 
Answer & Explanation Answer: A) uniformly accelerated

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Q:

Upward force on a floating body is called _______.

A) jerk B) buoyancy
C) Archimedal force D) Anti-gravity
 
Answer & Explanation Answer: B) buoyancy

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