A) 200
B) 160
C) 110
D) 90
Correct Answer: B
Solution :
: Total energy of \[X=200\times 7.4\text{ }MeV\] Total energy of\[Y=110\times 8.2\text{ }MeV\] Total energy of\[Z=90\times 8.2\text{ }MeV\] \[\therefore \]\[(200\times 7.4)=(110\times 8.2)+(90\times 8.2)+Energy\] \[\therefore \]\[-Energy=(110\times 8.2)+(90\times 8.2)-(200\times 7.4)\] \[=8.2(110+90)-200\times 7.4\] \[=200\times 8.2-200\times 7.4=200(8.2-7.4)\] \[=200\times 0.8\] \[\therefore \]\[-Energy=160\]MeV.You need to login to perform this action.
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