Physics Questions

Q:

According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ____ of an object.

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

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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:

Two vectors are said to be equal if

A) only their magnitudes are same B) only their directions are same
C) both magnitude and direction are same D) magnitudes are same but directions are opposite
 
Answer & Explanation Answer: C) both magnitude and direction are same

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Q:

If the radius of the earth decreases and its mass remains the same, then the value of "acceleration due to gravity" will _____ .

A) decrease B) increase
C) remain the same D) become zero
 
Answer & Explanation Answer: B) increase

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Q:

If the angle of incidence formed on a concave mirror at a point is 30 deg then the angle of reflection will be

A) 15 deg B) 30 deg
C) 60 deg D) 90 deg
 
Answer & Explanation Answer: B) 30 deg

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Q:

Kinetic energy depends on

A) the velocity or speed of the moving body. B) the mass of the moving body
C) the pressure of the moving body D) both mass and velocity of the moving body
 
Answer & Explanation Answer: D) both mass and velocity of the moving body

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0 1485
Q:

During uniform motion of an object along a straight line, its ___________ remains constant with time

A) acceleration B) deceleration
C) force D) velocity
 
Answer & Explanation Answer: D) velocity

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Q:

Unit of impedance is ___________.

A) ohm B) henry
C) tesla D) hertz
 
Answer & Explanation Answer: A) ohm

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