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Physics

Physics
When a piece of stone is immersed in water, it displaces water of equal

Mass
Density
Specific gravity
Volume

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Physics
The hydraulic brakes used in automobiles is a direct application of :

Archimedes' principle
Bernoulli's theorem
Toricellian law
Pascal's law

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Physics
Golden view of sea shell is due to

Dispersion
Polarization
Diffraction
Reflection

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Physics
Which best describes how air moves during convection?

Air always falls down
Warm air falls down
Cool air falls down
Cool air is replaced by warm air

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Physics
A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ?

Dacrease
Will increase first and then dcrease
Increase
Remain constant

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Physics
Every hot object emits ________

Ultraviolet rays
Infrared rays
X–rays
Visible light

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MORE MCQ ON Physics

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