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The rate of disintegration of a radioact...

The rate of disintegration of a radioactive sample can be increased by :-

A

Increasing the temperature

B

Increasing the pressure

C

Chemical reaction

D

It is not possible

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The rate of disintegration of a certain radioactive sample at any instant is 8100 dpm. Fifty minutes later the rate becomes 2700 dpm. The half of the radioactive sample will be (Take log2=0.3, log3=0.5, log5=0.7 )

    A
    30 minutes
    B
    61 minutes
    C
    `47.8` minutes
    D
    `33.3` minutes

  • The activity of a radioactive sample

    A
    1. Can be increased by heating it
    B
    2. Can be decreased by using a reducing agent
    C
    3. Can be increased by cooling it
    D
    4. Cannot be increased or decreased by any method

  • In a mean life of a radioactive sample

    A
    About `1//3` of substance disintegrates
    B
    About `2//3` of the substance disintegrates
    C
    About `90 %` of the substance disintegrates
    D
    Almost all the substance disintegrates

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