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Physics

Physics
Which one among the following is not an electromagnetic wave?

X-Ray
Infrared Ray
R-Ray
Cathode Ray

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Physics
When a vehicle passes, TV reception gets distorted. This is because

Modern vehicles use electroignition system
Vehicle pollution affects the performance of the TV components
Metal reflects radiowaves
Spark plug creates electromagnetic disturbances

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Physics
During hot weather, the fan produces a feeling of comfort. This is because

Fan supplies cool air
Conductivity of air increases
Our perspiration eva-porates rapidly
Fan cools the air

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Physics
Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit

radio waves
visible light
X-rays
ultraviolet light

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Physics
Longitudinal waves cannot travel through

Gas
Solid
Liquid
Vacuum

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Physics
Which among the following is the fundamental quantity ?

Volume
Force
Time
Velocity

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MORE MCQ ON Physics

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