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Physics

Physics
At the center of the sun, fusion converts hydrogen into

Carbon
Plutonium
Helium
Water

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Physics
Bats can sense obstacles because they produce

Micro sound waves
Supersonic sound waves
Ultrasonic sound waves
Infrasonic sound waves

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Physics
Total internal reflection can not take place when light goes from :

Glass to air
Glass to water
Water to air
Water to glass

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Physics
Rate of change of momentum is

Pressure
Area
Force
Velocity

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Physics
In very cold countries alcohol is used as a thermometric liquid because

It will not stick to the glass tube
Its freezing point is very low
Alcohol is a poor conductor of heat
Alcohol can be coloured for its level to be seen easily

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Physics
Which of the following is a result of Surface tension ?

Radiation
Viscosity
Capillary action
Gravitational pull

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MORE MCQ ON Physics

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