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 Physics Questions

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Q:

Which electromagnetic wave has the highest frequency?

A) Gamma Rays B) Radio waves
C) X rays D) Microwaves
 
Answer & Explanation Answer: A) Gamma Rays

Explanation:

In all Electromagnetic waves, Gamma Rays have the highest frequency and the lowest wavelength. Whereas Radio ways have lowest Frequency and the highest wavelength. 

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Q:

The angle between the __________and the incident ray is called the angle of incidence.

A) surface B) normal
C) tangent D) reflected ray
 
Answer & Explanation Answer: B) normal

Explanation:
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Q:

Which of the following cannot be used for making lenses?

A) Plastic B) Soil
C) Glass D) Water
 
Answer & Explanation Answer: B) Soil

Explanation:
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Q:

Electric Motor converts _____ energy to mechanical energy

A) sound B) mechanical
C) chemical D) electrical
 
Answer & Explanation Answer: D) electrical

Explanation:
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Q:

Sudden fall in the barometric reading is an indication of _______.

A) Storm B) Scorching heat
C) Rain D) Clear weather
 
Answer & Explanation Answer: A) Storm

Explanation:
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Q:

A wave with high amplitude have

A) high pitch B) low energy
C) high energy D) low pitch
 
Answer & Explanation Answer: C) high energy

Explanation:

The amplitude of a wave is a measure of the displacement of the wave from its rest position i.e, half the distance from its highest point to its lowest point.


Amplitude is proportional to the energy of a wave.

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Q:

An object having a capability to do work is said to possess __________.

A) force B) moment
C) momentum D) energy
 
Answer & Explanation Answer: D) energy

Explanation:
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Q:

Which of the following is not a vector quantity?

A) Acceleration B) Electric current
C) Force D) Velocity
 
Answer & Explanation Answer: B) Electric current

Explanation:
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