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PHYSICS

Physics
The radiation initially produced in fluorescent tube is

Infrared
Microwaves
Ultraviolet
X-rays

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Physics
In a vacuum, all electromagnetic waves have the same

Frequency
All listed here
Wavelenth
Velocity

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Physics
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by

Ammonia
Ozone
Carbon dioxide
Chlorine

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

X-Ray
Cathode Ray
R-Ray
Infrared Ray

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Physics
Electromagnetic waves are transverse in nature is evident by

Interference
Reflection
Diffraction
Polarisation

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