Categories > wave-optics > Diffraction of Light > Light of wavelength $\lambda$ = 5000 Å falls normally on a narrow slit. A screen placed at a distance of 1 m from the slit and perpendicular to the direction of light. The first minima of the diffraction pattern is situated at 5 mm from the centre of central maximum. The width of the slit is

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Question: Light of wavelength $\lambda$ = 5000 Å falls normally on a narrow slit. A screen placed at a distance of 1 m from the slit and perpendicular to the direction of light. The first minima of the diffraction pattern is situated at 5 mm from the centre of central maximum. The width of the slit is


1) 0.1 mm
2) 1.0 mm
3) 0.5 mm
4) 0.2 mm
Solution: Explanation: No Explanation
Diffraction of Light

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