Physics Questions

Q:

When the vibrating object moves forward, it creates a region of high pressure in the medium called ______.

A) dilation B) compression
C) relaxation D) negation
 
Answer & Explanation Answer: B) compression

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Exam Prep: Bank Exams , CAT

0 1944
Q:

In the equation of motion v = u + at, u represents _________________

A) initial velocity B) final velocity
C) kinetic energy D) potential energy
 
Answer & Explanation Answer: A) initial velocity

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0 1941
Q:

Ozone protects biosphere from ___________

A) X ­- rays B) Gamma rays
C) Ultraviolet rays D) Infrared rays
 
Answer & Explanation Answer: C) Ultraviolet rays

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2 1939
Q:

Who discovered theory of relativity?

A) Isaac Newton B) Albert Einstein
C) Niel Bohr D) Michael Faraday
 
Answer & Explanation Answer: B) Albert Einstein

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1 1938
Q:

Which term is not associated with sound wave?

A) Hertz B) Decibel
C) Candela D) Mach
 
Answer & Explanation Answer: C) Candela

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1 1937
Q:

______________ of a wave is the rate of transfer of energy per unit area perpendicular to the direction of travel of the wave.

A) Interference B) Rectification
C) Intensity D) Diffraction
 
Answer & Explanation Answer: C) Intensity

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1 1937
Q:

A body of mass 18 kg is moving with a velocity of 6 m/s, find its momentum.

A) 108 B) 4.5
C) 54 D) 9
 
Answer & Explanation Answer: A) 108

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0 1936
Q:

Soap bubble attains spherical shape due to ______.

A) inertia B) pressure
C) surface tension D) Viscosity
 
Answer & Explanation Answer: C) surface tension

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1 1931