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Physics

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

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

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Physics
The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is

Interference
Reflection
Diffraction
Dispersion

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Physics
Water will not be vapourised if

The temperature is 100°C
The humidity is 100%
The humidity is 0%
The temperature is 0°C

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Physics
The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth.

Equal to
Greater than or equal to
Less than
Greater than

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Physics
Solar energy is due to

Fission reactions
Fusion reactions
Combustion reactions
Chemical reactions

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Physics
What is the full form of ''AM' regarding radio broadcasting?

Anywhere Movement
Amplitude Matching
Amplitude Modulation
Amplitude Movement

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