wave-optics

Question: A slit of size 0.15 cm is placed at 2.1 m from a screen. On illuminated it by a light of wavelength $5 \times 10^{–5}$ cm. The width of central maxima will be



1) 70 mm
2) 0.14 mm
3) 1.4 mm
4) 0.14 cm
Solution: Explanation: No Explanation
Diffraction of Light

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