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Physics

Physics
The atmospheric layer reflecting radio waves is called

Ionosphere
Stratosphere
Mesosphere
Ozonosphere

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Physics
If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will

Fall in front of him
None of these
Fall behind him
Fall into his hand

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Physics
Permissible noise level at Residential area during night time is :

45 dB (A)
55 dB (A)
80 dB (A)
75 dB (A)

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Physics
Forged documents are detected by

Gamma rays
Ultraviolet rays
Infra-red rays
Beta rays

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Physics
The force that binds the neutrons and protons in a nucleus is called as:

Weak Nuclear Force
Electromagnetic Force
Strong Nuclear Force
Gravitational Force

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Physics
If velocity is constant then acceleration is what?

Increasing
Zero
Infinite
Constant

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MORE MCQ ON Physics

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