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:

Which one of the following is the correct sequence of passage of light in a compound microscope?

A) Condenser -Objective lens -Eye -piece -Body tube B) Objective lens -Condenser -Body tube -Eye piece
C) Condenser -Objective lens -Body tube -Eyepiece D) Eyepiece -Objective lens -Body tube -Mirror
 
Answer & Explanation Answer: C) Condenser -Objective lens -Body tube -Eyepiece

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Q:

During _____________ motion of an object along a straight line, the velocity remains constant with time.

A) linear B) translational
C) uniform D) equilibrium
 
Answer & Explanation Answer: C) uniform

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Q:

Why does a cannon recoil after firing ?

A) Conservation of energy B) Backward thrust of gases produced
C) Newton's third law of motion D) Newton's first law of motion
 
Answer & Explanation Answer: C) Newton's third law of motion

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Q:

An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :

A) 275 J B) 110 J
C) 2750 J D) 110 J
 
Answer & Explanation Answer: A) 275 J

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Q:

The absolute refractive index of any medium is always:

A) more than one B) 0
C) 1 D) less than one
 
Answer & Explanation Answer: A) more than one

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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:

A body is initially moving with a velocity of 10 m/s. It undergoes an acceleration of 2 m/s2 for 5 seconds. Find the displacement (in m) of this body in these 5 seconds.

 

A)  25 B)  37.5
C)  50 D)  75
 
Answer & Explanation Answer: D)  75

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