Textbook ExpertVerified Tutor
15 Dec 2021
Given information
It is given that:
The slit width ( vertical length of rectangular area) .
Wavelength of laser light is .
Step-by-step explanation
Step 1.
The point where secondary waves reinforce each other, resulting in the maximum intensity at that point, is called central maximum.
The angle between the first diffraction minima above and below the central maxima will be equal to twice the angular width of central maxima .
The angular width of central maxima is:
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