1.

Assertion : Gamma rays, penetrates through materials most effectively. Reason : Gamma rays, which have the shortest wavelengths of all electromagnetic radiation.

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: Gamma rays, which have the SHORTEST wavelengths of all electromagnetic RADIATION. This is reason they can penetrate through materials most effectively.


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