Question
Light whose wavelength is $561 \mathrm{~nm}$ passes through two slits in a screen. If the separation between the slits is $12 \times 10^{-5} \mathrm{~m}$, what is the angle to the second-order bright fringe above the central bright fringe?
Step 1
We know that 1 nanometer is equal to $10^{-9}$ meters. So, the wavelength in meters is $561 \times 10^{-9}$ meters. Show more…
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