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Physics

Physics
Which colour has the highest energy?

Violet
Blue
White
Red

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

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

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Physics
If ice floating on water in a vessel melts, the water level in the vessel ________ .

First increases before decreasing
Increases
Does not change
Decreases

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Physics
Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in

4.2 years
4.2 seconds
42 years
42 seconds

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Physics
Vehicle tyres are inflated properly

To allow the vehicle to take more load.
To ensure smooth running.
To go fast and save fuel.
To avoid skidding and to minimise friction

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Physics
Speed of sound is the greatest in :

Glass
Glycerine
Air
Water

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MORE MCQ ON Physics

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