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An radioactive atom (""(​Z)​X^(​A)​) und...

An radioactive atom `(""_(​Z)​X^(​A)​)` undergoes `alpha `-decay then ratio of energy of α-particle and daughter nuclei increases with increase in :-

A

`A^(2)`

B

`A^(0) `

C

`A`

D

`A^(-1) `

Text Solution

Verified by Experts

The correct Answer is:
C
In `alpha ` decay , `(E _(K ) )alpha=((A-4 )/(A))Q`
`(E _(K ))_("daughter ")=((4)/(A))Q`
` therefore ((E_(K))alpha)/((E_(K))_("daughter "))=(A-4)/(4)`
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