Question
In the above problem, wavelength of the wave is(A) $666 \mathrm{~nm}$(B) $666 \AA$(C) $666 \mu \mathrm{m}$(D) $6.66 \mathrm{~nm}$
Step 1
Here, $k = \frac{2\pi}{\lambda}$ is the wave number and $\omega = 2\pi f$ is the angular frequency. Show more…
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