Match the following with the appropriate answer:
\begin{tabular}{|l|l|l|l|}
\hline 1 & It helps to change the direction & a & Luminous Body \\
\hline 2 & Colored objects form which type of shadows & b & Opaque Objects \\
\hline 3 & Which object cast shadows & c & Dark \\
\hline 4 & Torch bulb is & d & Glass \\
\hline
\end{tabular}