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PHYSICS

Physics
Compressions and Rarefactions are characteristic of

Neither of A & B
Longitudinal waves
Transverse waves
Both A & B

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Physics
Least audible sound for most of the human ear is :

5.0 µ bar
0.005 µ bar
10.0 µ bar
0.0002 µ bar

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Physics
Hertz is a unit for measuring

Clarity of waves
Wavelength
Frequency of waves
Intensity of waves

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Physics
Hertz is the SI unit of

Power
Pressure
Weight
Frequency

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Physics
The velocity of the sound is highest in

Metal
Water
Air
Vacuum

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