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Physics

Physics
The absolute refractive index of any medium is always:

1
More than one
Less than one

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Physics
Nuclear reactors used to produce electricity are based on

Nuclear fusion
Superconductivity
Nuclear fission
Cold fusion

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Physics
Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ?

Ionosphere
Stratosphere
Mesosphere
Exosphere

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Physics
In a refrigerator, the cooling system should always be

At the bottom
At the top
At the middle
Can be anywhere

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Physics
One Kilowatt hour is equal to -

3.8 Mega Joule
3.6 Mega Joule
4.0 Mega Joule
3.2 Mega Joule

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Physics
What is the unit of relative density?

It has no unit
Kg/m3
Kg/m
Kg/m2

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MORE MCQ ON Physics

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