MCQ
When a metal with work function 0.6 eV is illuminated with light of energy 2 eV, the stopping potential will be ____________.
- A4.2 eV
- B0.7 V
- ✓1.4 V
- D2.8 eV
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$\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}$