MCQ
While tuning in a certain broadcast station with a receiver, we are actually
- ✓Varying the local oscillator frequency
- BVarying the frequency of the radio signal to be picked up
- CTuning the antenna
- DNone of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\begin{array}{|l|l|} \hline Column\,\,-I & Column\,\,-\,\,II\,\, \\ \hline 1.\,\,m=-2 & a.\,\,Convex\,\,mirror \\ \hline 2.\,\,m=\,\,\frac{-1}{2} & b.\,\,Concave\,\,mirror \\ \hline 3.\,\,m=+2 & c.\,\,Real\,\,Image \\ \hline 4.\,\,m=\,\,\frac{+1}{2} & d.\,\,Virtual\,\,image \\ \hline \end{array}$


$(A)$ $500\ \,Hz$ $(B)$ $2\ \ ,Hz$ $(C)$ $250\ \,Hz$ $(D)$ $498\ \ ,Hz$ $(E)$ $502\ \ ,Hz$
Choose the correct answer from the options given below: