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Physics

Physics
Energy of Ultraviolet rays is great than

Gamma rays
X-rays
Infrared rays
Cosmic rays

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Physics
During the motion of a projectile fired from the earth surface, ________

Its kinetic energy remains constant
Horizontal component of its velocity remains constant
Vertical component of its velocity remains constant
Its momentum remains constant

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Physics
Pipelines in cold countries often burst in winter, because

Temperature of ice is less than that of water
Pipelines contract in their volume
Pipelines expand due to freezing
Water freezes and expands in its volume

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Physics
Ozone layer above the surface of Earth provides a shield against

X-rays
Infra-red rays
Gamma rays
Ultra-violet rays

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Physics
Which of these waves can be polarized ?

Sound waves in air
Light waves
Longitudinal waves on a string
Transverse waves on a string

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Physics
Bolometer is used to measure

Wavelength
Temperature
Velocity
Frequency

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MORE MCQ ON Physics

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