1.

Assertion:Among alpha, beta and gamma rays, alpha-particle has maximum penetrating power. Reason: The alpha-particle is heavier than beta & gamma rays

Answer»

If both the ASSERTION and the reason are true and the reason is the correct explanation of the assertion.
If both the assertion and the reason are true, but the reason is not the correct explanation of the assertion
If Assertion is true, but the reason is false.
If Assertion is false, but the reason is true.

Solution :Explanation: The penetrating POWER is maximum in case of gamma rays because gamma rays are an electromagnetic radiation of very SMALL wavelength.


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