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 Physics Questions

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Q:

What is the unit of the physical quantity "Inductance"?

A) weber B) farad
C) henry D) tesla
 
Answer & Explanation Answer: C) henry

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2 2074
Q:

Rate of change of displacement is known as ............

A) Acceleration B) Velocity
C) Speed D) Distance
 
Answer & Explanation Answer: B) Velocity

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4 2072
Q:

The strength of a force is usually expressed by its __________.

A) Motion B) Direction
C) Interaction D) Magnitude
 
Answer & Explanation Answer: D) Magnitude

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1 2071
Q:

If price of an article decreases from Rs 240 to Rs 220, when quantity demanded increases from 200 units to 210 units. Find point elasticity of demand?

A) 0.6 B) -1.8
C) -0.6 D) 1.8
 
Answer & Explanation Answer: C) -0.6

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Q:

Calculate the time period (in seconds) of a sound wave of wavelength 2m travelling with a speed of 250 m/s.

A) 500 B) 0.008
C) 0.016 D) 250
 
Answer & Explanation Answer: B) 0.008

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2 2064
Q:

Choose the most appropriate answer:Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation?

A) Scattering B) Diffraction
C) Interference D) Polarization
 
Answer & Explanation Answer: A) Scattering

Explanation:

The Nobel Prize in Physics 1930 was awarded to Sir Chandrasekhara Venkata Raman "for his work on the scattering of light and for the discovery of the effect named after him".

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1 2063
Q:

In the formula average velocity = (u + v) /2, u is the ___________.

A) Final velocity B) Initial displacement
C) Initial velocity D) Final displacement
 
Answer & Explanation Answer: C) Initial velocity

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2 2061
Q:

If there were no gravity, which of the following will not be there for a fluid?

A) Viscosity B) Surface Tension
C) Pressure D) Upward Thrust
 
Answer & Explanation Answer: D) Upward Thrust

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