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Match Column I (fundamental experiment) with Column II (its conclusion) and select the correct option from the choices
\( \mathrm{P} \) given below the list.
(2015 Main)
WV
\begin{tabular}{llll}
\hline \multicolumn{1}{c}{ Column I } & & \multicolumn{1}{c}{ Column II } \\
\hline A & Franck-Hertz experiment & 1 & \( \begin{array}{l}\text { Particle nature of } \\
\text { light }\end{array} \) \\
\hline B & Photo-electric experiment & 2 & \( \begin{array}{l}\text { Discrete energy } \\
\text { levels of atom }\end{array} \) \\
\hline C \( \quad \begin{array}{l}\text { Davisson-Germer } \\
\text { experiment }\end{array} \) & 3 & \( \begin{array}{l}\text { Wave nature of } \\
\text { electron }\end{array} \) \\
\hline & 4 & Structure of atom \\
\hline
\end{tabular}
\( \begin{array}{lll}\text { A } & \text { B } & \text { C } \\ \text { (a) } 1 & 4 & 3\end{array} \)
(b) \( 2 \quad 1 \quad 3 \)
(c) \( \begin{array}{rll}2 & 4 & 3\end{array} \)
(d) \( 4 \quad 3 \quad 2 \)
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