A light paddle wheel moves when placed in the way of cathode rays. This shows the property of cathode rays that :

Question

$\begin{array}{1 1}(a)\;They\; travel\;in \;straight\; line\\(b)\;They\; consists\;negatively\; charged \;particles\\(c)\;They\; do \;not\; depend\; on\; the\; nature\; of\; gas \;taken\; in\; discharge\; tube\\(d)\;They \;have\; mass\; and\; energy\end{array}$