MCQ
If the stone is thrown up vertically and return to ground, its potential energy is maximum
- ADuring the upward journey
- ✓At the maximum height
- CDuring the return journey
- DAt the bottom
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$E =-301.6 \sin ( kz -\omega t ) \hat{a}_{ x }+452.4 \sin ( kz -\omega t )$ $\hat{a}_{y} \frac{V}{m}$
Then, magnetic intensity $H$ of this wave in $Am ^{-1}$ will be
[Given: Speed of light in vacuum $c =3 \times 10^{8} ms ^{-1}$, permeability of vacuum $\mu_{0}=4 \pi \times 10^{-7} NA ^{-2}$ ]
