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Physics

Physics
Which of the following is not an aerosol?

Smoke
Dust
Fog
Mud

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Physics
One nanometer is equal to

10-6m
10-5m
10-8m
10-9m

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Physics
The minimum number of geostationary satellites needed for uninterrupted global coverage is :

4
3
2
1

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Physics
A device used for converting a.c. into d.c. is called

Transformer
Induction coil
Dynamo
Rectifier

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Physics
As we go from Equator to North pole the value of ''g', the acceleration due to gravity

None of these
Increases
Decreases
Remains the same

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Physics
When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an

Rectifier
Oscillator
Amplifier
Conductor

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