Which radiation has the highest penetrating power?

General Science · General Science and Current Events · Hard · Practice for UPSC CSE GS 1

Which radiation has the highest penetrating power?

Alpha particles
Ultraviolet rays
Gamma rays
Beta particles

Answer and solution

Correct answer: C) Gamma rays

Gamma rays need thick lead or concrete to block.

Learn the method: General Science rules and worked examples · UPSC CSE GS 1 General Science and Current Events

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