MCQ
Energy conversion in a photoelectric cell takes place from
- AChemical to electrical
- BMagnetic to electrical
- ✓Optical to electrical
- DMechanical to electrical
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In the process of going from the configuration depicted in Figure ($a$) to that in Figure ($b$), which of the following statement($s$) is(are) correct?

Given atomic masses of
${ }^{235} \mathrm{U}: 235.0439 \mathrm{u},{ }^{140} \mathrm{Ce} ; 139.9054 \mathrm{u},$
${ }^{94} \mathrm{Zr}: 93.9063 \mathrm{u} ; \mathrm{n}: 1.0086 \mathrm{u},$
Value of $\mathrm{c}^2=931 \mathrm{MeV} / \mathrm{u}$