MCQ
Identify the function which represents a nonperiodic motion.
- ✓$e^{-\omega t}$
- B$\sin \omega t$
- C$\sin \omega t+\cos \omega t$
- D$\sin (\omega t+\pi / 4)$
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$\mathrm{E}_{\mathrm{y}}=\left(200\ \mathrm{Vm}^{-1}\right) \sin \left[1.5 \times 10^7 \mathrm{t}-0.05\ \mathrm{x}\right] \text {; }$
The intensity of the wave is :(Use $\epsilon_0=8.85 \times 10^{-12} \mathrm{C}^2 \mathrm{~N}^{-1} \mathrm{~m}^{-2}$ )
