\begin{tabular}{|l|l|l|l|}
\hline & Column I & & Column II \\
\hline (A) & \begin{tabular}{l} In....
\begin{tabular}{|l|l|l|l|}
\hline & Column I & & Column II \\
\hline (A) & \begin{tabular}{l}
Increasing the \\
frequency of \\
incident - radiations
\end{tabular} & P. & \begin{tabular}{l}
Has no effect \\
on photo \\
current
\end{tabular} \\
\hline (B) & \begin{tabular}{l}
Decreasing the \\
intensity of radiation
\end{tabular} & Q. & \begin{tabular}{l}
Increases the \\
stopping \\
potential
\end{tabular} \\
\hline (C) & \begin{tabular}{l}
Increasing the \\
momentum
\end{tabular} & R. & \begin{tabular}{l}
Changes the \\
number of \\
photo electrons
\end{tabular} \\
\hline (D) & Changing the metal & S. & \begin{tabular}{l}
Decreases the \\
de Broglie \\
wavelength
\end{tabular} \\
\hline
\end{tabular}
\begin{tabular}{lllll}
& A & B & C & D \\
(1) & \( \mathrm{p}, \mathrm{q} \) & \( \mathrm{r} \) & \( \mathrm{s} \) & \( \mathrm{p} \) \\
(2) & \( \mathrm{r} \) & \( \mathrm{q} \) & \( \mathrm{s} \) & \( \mathrm{p} \) \\
(3) & \( \mathrm{p} \) & \( \mathrm{s} \) & \( \mathrm{r} \) & \( \mathrm{q} \) \\
(4) & \( \mathrm{q} \) & \( \mathrm{r} \) & \( \mathrm{p} \) & \( \mathrm{p}, \mathrm{s} \)
\end{tabular}
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