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Binding energy per nucleons vs mass curv...

Binding energy per nucleons vs mass curve for nucleus is shown in the figure `W,X,Y`and `Z` are four nuclei indicated on the curve . The process that would release energy is

A

`Y rarr2Z`

B

`Wrarr X+Z`

C

`W rarr2Y`

D

`XrarrY+Z`

Text Solution

Verified by Experts

The correct Answer is:
C
When total `B.E.` of products `gt` recatnts, energy is released.
`Yrarr 2Z rArr 2xx5xx30-8.5xx60 =- 210 MeV`
`W rarr X +Z rArr 8xx90 +5xx30 - 7.5xx120 =- 30 MeV`
`W rarr 2Y rArr 2xx8.5 xx 60- 7.5 xx120 = 120MeV`
`X rarr Y+Z rArr 8.5xx60 +5xx30 - 8xx90 =- 60MeV`
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