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Physics

Physics
Which colour has the highest energy?

Red
Violet
Blue
White

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Physics
A boat will submerge when it displaces water equal to its own:

Surface area
Weight
Volume
Density

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

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

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Physics
The magnifying power of an astronomical telescope can be decreased by

Increasing the focal length of the objective
None of these
Decreasing the focal length of the eyepiece
Increasing the focal length of the eyepiece

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Physics
When a person sitting on a swing stands up on the swing, the frequency of oscillation

Does not change
Increases
Decreases
Becomes infinite

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Physics
The layer of atmosphere used for radio-wave transmission is

Ionosphere
Stratosphere
Chromosphere
Troposphere

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MORE MCQ ON Physics

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