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Physics

Physics
The atmospheric layer reflecting radio waves is called

Mesosphere
Stratosphere
Ionosphere
Ozonosphere

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Physics
Intensity of gravitational field of earth is maximum at

Surface
Poles
Centre of earth
Equator

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Physics
The wave theory of light can explain

Black body spectrum
Interference of light
Photoelectric effect
Comptom effect

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Physics
The unit of noise pollution (level) is :

None of these
Ppm
Decimal
Decibel

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Physics
When a barometer is rising air pressure is

Decreasing
Constant
Increasing
Zero

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

Increases
Remains the same
Decreases
None of these

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