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Physics

Physics
Every hot object emits ________

Ultraviolet rays
Visible light
X–rays
Infrared rays

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Physics
Light from Sun reaches Earth in approximately

12 minutes
3 minutes
8 minutes
10 minutes

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Physics
One Kilowatt hour is equal to -

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

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Physics
Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from

southeast
west
northeast
east

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Physics
Transition ions absorb light in :

Microwave region
Ultraviolet region
Infrared region
Visible region

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Physics
In MRI machine, which one of the following is used?

X-ray
Sound wave
Ultra-sound wave
Magnetic wave

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