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Physics

Physics
The commonly used coolant in refrigerators is

Oxygen
Ammonia
Nitrogen
Freon

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Physics
Decibel is the unit used for

Speed of light
Intensity of sound
Radio wave frequency
Intensity of heat

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Physics
When the main switch of the house is put off it disconnects the

Live wire only
Earth wire and the neutral wire
Live wire and the neutral wire
Live wire and the earth wire

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Physics
Which Color has the Longest Wavelength?

White
Violet
Red
Yellow

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Physics
Which of these is true of all simple machines?

Both A & B
Work input > work output
None of these
These make work easier

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Physics
An atom bomb based upon the principal of ________

Controlled chain reaction
Nuclear fission
None of these
Nuclear fussion

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MORE MCQ ON Physics

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