MCQ
Two rays $A$ and $B$ being reflected by a mirror and going as $A'$ and $B'$. The mirror:


- ✓Is plane.
- BIs convex.
- CIs concave.
- DMay be any spherical mirror.


Here initially $A\ \&\ B$ is parallel to each other after reflection by teh plane mirror $A'\ \&\ B'$ goes Parallel to each other.
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${E_y} = 2.5\,\frac{N}{C}\,\,\cos \,\left[ {\left( {2\pi \, \times \,{{10}^6}\,\frac{{rad}}{m}} \right)t - \left( {\pi \times {{10}^{ - 2}}\frac{{rad}}{s}} \right)x} \right];$
$E_z = 0$. The wave is