Question

In the options given below, let $E$ denote the rest mass energy of a nucleus and $n$ , a neutron. The correct option is

• A. $E_{92}^{236}\mathrm{U})>E_{53}^{137}\mathrm{I})+E_{39}^{97}\mathrm{Y})+2E(\mathrm{n})$
• B. $E_{92}^{236}\mathrm{U})<E{}_{53}^{137}\mathrm{I})+E_{39}^{97}\mathrm{Y})+2E(\mathrm{n})$
• C. $E^{236}\mathrm{U})<E_{56}^{140}\mathrm{Ba})+E_{36}^{94}\mathrm{Kr})+2E(\mathrm{n})$
• D. $E_{92}^{235}\mathrm{U})>E{}_{56}^{140}\mathrm{Ba})+E_{36}^{94}\mathrm{Kr})+E(\mathrm{n})$

Answer 1

Answer: (A)

Rest mass of parent nucleus should be greater than the rest masses of daughter nuclei. Therefore, the option ( \left.\left.\left.\left(E_{92}^{236} \mathrm{U}\right)>E_{53}^{137} \mathrm{I}\right)+E_{39}^{97} \mathrm{Y}\right)+2 E(\mathrm{n})\right) will be correct.