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Question

Consider the following statements:

Statement 1: Radioactivity is affected by external agents like temperature, pressure, electric and magnetic fields etc.

Statement 2: The activity of the material has been shown to be the result of the three different kinds of radiations α, β, and γ.


A

Both statement 1 and statement 2 are true.

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B

Both statement 1 and statement 2 are false.

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C

Statement 1 is true; Statement 2 is false.

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D

Statement 1 is false; Statement 2 is true.

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Solution

The correct option is D

Statement 1 is false; Statement 2 is true.


Radioactivity is a spontaneous process which is not affected by external agents like temperature, pressure, electric and magnetic fields etc. So, statement 1 is false. However it is a result of the three different kinds of radiations α, β, and γ. So, statement 2 is true.


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