wave-optics

Question: A slit of width a is illuminated by white light. For red light ($\lambda$ = 6500 Å), the first minima is obtained at $ heta = {30^o}$. Then the value of a will be

1) 3250 Å

2) $6.5 \times {10^{ - 4}}mm$

3) 1.24 microns

4) $2.6 \times {10^{ - 4}}cm$

Solution:

Explanation: No Explanation

Diffraction of Light

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