\begin{tabular}{|l|l|l|l|} \hline \multicolumn{2}{|c|}{ Column I } & \multicolumn{2}{c|}{ Column....
0\begin{tabular}{|l|l|l|l|}
\hline \multicolumn{2}{|c|}{ Column I } & \multicolumn{2}{c|}{ Column II } \\
\hline (A) & Transducer & (p) & \begin{tabular}{l}
The loss of strength of a \\
signal while \\
propagating through a \\
medium
\end{tabular} \\
\hline (B) & Attenuation & (q) & \begin{tabular}{l}
low frequency signal is \\
superimposed on high \\
frequency wave
\end{tabular} \\
\hline (C) & Modulation & (r) & \begin{tabular}{l}
converts one form of \\
energy into another
\end{tabular} \\
\hline
\end{tabular}
(1) (A)-r, (B)-p, (C)-q
(2) (A) \( -\mathrm{q},(\mathrm{B})-\mathrm{r},(\mathrm{C})-\mathrm{p} \)
(3) (A)-p, (B)-r, (C)-q
(4) (A)-r, (B)-q, (C)-p
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