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Physics

Physics
Sound travels fastest in

Water
Air
Glass
Vacuum

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Physics
Velocity of sound in air does not change with the change of

Pressure of air
Moisture content in air
Wind in the direction of propagation of sound
Temperature of air

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Physics
Golden view of sea shell is due to

Dispersion
Diffraction
Polarization
Reflection

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Physics
Which type of mirror is used in the head lights of vehicles ?

Parabolic mirror
Convex mirror
Plane mirror
Concave mirror

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Physics
The boiling point of water depends upon the

Density
Volume
Mass
Atmospheric pressure

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Physics
The velocity of falling rain drops attains a terminal value because of

Surface tension
Air current
Viscous force exerted by air
Upward thrust due to air

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MORE MCQ ON Physics

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