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Which of the following ray are not elect...

Which of the following ray are not electromagnetic waves

A

Cosmic rays

B

Gamma rays

C

`beta` rays

D

X rays

Text Solution

Verified by Experts

The correct Answer is:
C
Cosmic rays are electromagnetic radiation since they are high energy outer space particles. But `beta`-ray is also not really an electromagnetic radiation because they are charged particles formed during `beta`-decay.
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