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Which of the following groups belongs on...

Which of the following groups belongs only to the electromagnetic spectrum?

A

alpha rays , beta rays , gamma rays

B

ultra - sonic rays , radio waves , infra red rays

C

gamma rays , cathode rays , X-rays

D

X-rays , radio waves , infra red rays

Text Solution

Verified by Experts

The correct Answer is:
D
X-ray ,radiowave ,infra -red rays .
Explanation : in eletromagnetic spectrum , the group of rays are radiowave , infra-red ,visible rays , UV-rays , X - ray and gamma rays .
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