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Physics

Physics
Which determines the frequency of a sound wave?

Amplitude
Medium
Source
Speed

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Physics
The value of coefficient of restitution in perfectly elastic collision is

0.5
2
1

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Physics
Addition of suitable impurities into semiconductor, is called

Mixing
Forming
Diluting
Doping

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Physics
Anemometer is used to measure

Pressure gradient
Wind velocity
Wind speed and time
Wind direction

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Physics
Stars are held together by

Electrical forces
Gravitational forces
Magnetic forces
Ionic forces

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Physics
One nanometer is equal to ________ meters.

10 raised to the power (-6)
10 raised to the power (-3)
10 raised to the power (-9)
10 raised to the power (-12)

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