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Physics

Physics
Which one of the waves have the longest wavelength

Green
Red
Blue
Violet

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Physics
The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall

Depends on the area of the wall
Increases with depth of the wall
Increases with height of the wall
Depends on the thickness of the wall

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Physics
Optical Fibre technology works on which of these principles of Physics?

Photoelectric effect
Newton's law of Motion
Bernoulli's Principle
Total internal reflection of Light

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Physics
An object having the capability to do work is said to possess

Pressure
Inertia
Energy
Force

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Physics
A vacuum cleaner works on the principle of pressure difference. On the moon it will

Work with reduced efficiency
Work with increased efficiency
Not work at all
Work as efficiently as on the earth

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Physics
Transition ions absorb light in :

Ultraviolet region
Infrared region
Visible region
Microwave region

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MORE MCQ ON Physics

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