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Physics

Physics
The atmospheric layer reflecting radio waves is called

Mesosphere
Ionosphere
Stratosphere
Ozonosphere

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Physics
If a barometric reading is falling, this usually indicates what

Increasing pressure
None
Decreasing pressure
No pressure

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Physics
The ''Greenhouse effect' is mainly due to increase in atmospheric

Carbon dioxide
Sulphur dioxide
Ozone
Nitrogen

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Physics
Forged documents are detected by

Gamma rays
Infra-red rays
Beta rays
Ultraviolet rays

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Physics
When a barometer is rising air pressure is

Increasing
Constant
Decreasing
Zero

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Physics
A liquid disturbed by stirring comes to rest due to

Density
Surface tension
Centripetal force
Viscosity

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MORE MCQ ON Physics

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