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Which of the following has the maximum p...

Which of the following has the maximum penetrating power? a)`alpha`-particle b)Proton c)`gamma`-particle d)Positron

A

Radio waves

B

Microwaves

C

Ultraviolet radiation

D

Gamma rays

Text Solution

Verified by Experts

The correct Answer is:
D
Gamma rays and X-rays are high energy electromagnetic radiation, or, high energy protons. Gamma rays are able to pass through several centimetres of metals and can still be detected on the other side. Among the given choices, `gamma`-radiation has the maximum penetrating power.
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