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If 3//4 quantity of a radioactive substa...

If `3//4` quantity of a radioactive substance disintegrates in 2 hours, its half`-` life period will be a)`15 mi n` b) `30 mi n` c)`60 mi n` d)`90 mi n`

A

1 hour

B

45 minutes

C

30 minutes

D

15 minutes

Text Solution

Verified by Experts

The correct Answer is:
c
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Knowledge Check

  • If 3//4 quantity of a radioactive element disintegrates in two hours, its half life would be

    A
    1 hours
    B
    45m
    C
    30m
    D
    15m

  • If 3/4 quantity of a radioactive element disintegrates in two hours, its half-life would be

    A
    1 hours
    B
    45 minutes
    C
    30 minutes
    D
    15 minutes

  • The end product of (4n +2) radioactive disintegration series is

    A
    `._(82)Pb^(208)`
    B
    `._(62)Pb^(206)`
    C
    `._(82)Pb^(207)`
    D
    `._(83)Bi^(209)`

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