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A beta- particle is emitted by a radioac...

A `beta-` particle is emitted by a radioactive nucleus at the time of conversion of a:

A

Neutron into a proton

B

Proton into a neutron

C

Nucleon into energy

D

Positron into energy

Text Solution

Verified by Experts

The correct Answer is:
A
In a incleus, when a neutron is converted to proton `beta ^(-)` is emitted.
Nuclear reaction is given as
`n _(0) ^(1) to p _(1) ^(1) + beta _(-1) ^(0)`
When proton is converted to neutron, positive beta decay takes place.
`p _(1) ^(1) to n _(0) ^(1) + beta _(+1)^(0).`
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Knowledge Check

  • A beta- particle is emitted by a radioactive nucleus at the time of convertsion of a:

    A
    Neutron into a proton
    B
    Proton into a neutron
    C
    Nucleon into energy
    D
    Positron into energy

  • A beta - particle is emitted by radioactive nucleus at the time of conversion of

    A
    A nucleon in to energy
    B
    A positron into energy
    C
    A neutrons into a proton
    D
    A proton into a neutron

  • beta- particle is emitted in radioactivity by

    A
    Conversion of proton to neutron
    B
    From outermost orbit
    C
    Conversion of neutron to proton
    D
    `beta-`particle is not emitted

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