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Physics

Physics
The damage of the human body due to radiation (X-rays or grays etc,) is measured in :

Curie
Rems
Rads
Roentgen

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Physics
The threshold frequency is the frequency below which :

Photo current decreases with voltage
Photo current increases with voltage
Photo electric emission is not possible
Photo current is constant

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Physics
The force that keeps a body in a circular motion called

The frictional force
The centripetal force
All listed here
The centrifugual force

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Physics
Mist is caused by

Dry ice
Water vapour at low temperature
Ice at low temperature
Carbon-monoxide in solid form

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Physics
For a ray of light to suffer total internal reflection it has to pass from :

Air to glass
Glass to water
Water to glass
Air to water

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Physics
Moment of inertia is:

Tensor
Scalar
Phasor
Vector

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MORE MCQ ON Physics

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