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Physics

Physics
The unit of measurement of noise is

Hertz
Amplifier
Decibel
Acoustics

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Physics
What is the source of energy for the water cycle?

Rain water
Clouds
Sun
Animals

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Physics
Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is

Homogeneous and transparent
Inhomogeneous and transparent
Made up of slabs of different refractive indices
Of variable refractive index

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Physics
For a freely falling body, the sum of kinetic energy and potential energy is always

Variable
Same
Unity
Zero

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Physics
Eddy current is generated by

Induction
Convection
Conduction
Direct Current

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Physics
Sound travels at the fastest speed in

vacuum
water
steel
air

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MORE MCQ ON Physics

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