12TH•Physics•Physical Optics•Question 1
Solution
Coherent light of wavelength $500\,\mathrm{nm}$ is incident on two very narrow and closely spaced slits. The interference pattern is observed on a very tall screen that is $2.00\,\mathrm{m}$ from the slits. Near the center of the screen the separation between two adjacent interference maxima is $3.53\,\mathrm{cm}$. What is the distance on the screen between the $m = 49$ and $m = 50$ maxima?
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