Physics Questions

Q:

A particle is thrown vertically upward. When it reaches the highest point, it has ____________

A) a downward acceleration B) an upward acceleration
C) a downward velocity D) a horizontal velocity
 
Answer & Explanation Answer: A) a downward acceleration

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3 1944
Q:

Alternate freezing and thawing often leads to ______.

A) Creep B) Slumps
C) Mud flows D) Earth flows
 
Answer & Explanation Answer: A) Creep

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2 1943
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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1 1938
Q:

Why does water tank appear shallower when viewed from the top?

A) Due to reflection B) Due to refraction
C) Due to diffraction D) Due to total internal reflection
 
Answer & Explanation Answer: B) Due to refraction

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0 1938
Q:

When light passes from one medium to another, this phenomenon of change in its direction is called _____.

A) Refraction B) Diffraction
C) Propagation D) No option is correct
 
Answer & Explanation Answer: A) Refraction

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3 1938
Q:

Anemometer is an instrument meant for measuring __________

A) velocity B) air masses
C) wind speed D) temperature
 
Answer & Explanation Answer: C) wind speed

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0 1937
Q:

As the object covers unequal distances in equal intervals of time, it is said to be in ____________ motion.

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

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3 1937
Q:

Electrical Energy is the energy of

A) Protons B) Neutrons
C) Electrons D) All the above
 
Answer & Explanation Answer: C) Electrons

Explanation:

We know that Kinetic energy is the energy of a moving object and in the same way Electrical energy is the form of kinetic energy caused by moving electric charges called electrons.

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1 1936