Assertion : Rate of decay of a radioactive substance reduces with time in an exponential \( P \)...

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Assertion : Rate of decay of a radioactive substance reduces with time in an exponential
\( P \) manner.

W.
Reason : Total life of radioactive substance is - infinite.
-(1) A
(2) B
(3) \( \mathrm{C} \)
(4) D
(A) Both assertion and reason are correct statements, and reason is the correct explanation of the assertion.
(B) Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion.
(C) Assertion is correct, but reason is wrong statement.
(D) Assertion is wrong, but reason is correct statement.
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