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Assertion : Rate of radioactivity cannot...

Assertion : Rate of radioactivity cannot be increased or decreased by increasing or decreasing pressure or temperature.
Reason : Rate depends on the number of nuclei present in the radioactive sample.

A

If both Assertion and Reason are true and Reason is correct explanation of the Assertion.

B

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

C

If Assertion is true, but the Reason is false.

D

If Assertion is false but the Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
B
Huge amount of energy is involved in any nuclear process, which cannot be increased or decreased by pressure or temperature.
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Knowledge Check

  • The rate of radioactive decay is increased by

    A
    increased heat
    B
    increased pressure
    C
    change in physical state
    D
    none of the above

  • Assertion : A gas can be liquified at any temperature by increase of pressure alone. Reason : On increasing pressure the temperature of gas decreases

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but re ason is not the correct explanation of the assertion
    C
    If assertion is true but reason is false.
    D
    If the assertion and reason both are false

  • Rate of a reaction increases with the rise of temperature. The reason is

    A
    number of collection increases
    B
    number of activated molecules increases
    C
    energy of activation decreases
    D
    None of the above

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