Physics · Wave Optics
A light of 600 nm wavelength is incident normally on a single slit. The first minimum of the diffraction pattern is obtained at a distance of 4 mm from the central maximum on a screen placed 2 m away from the slit. What is the width of the slit?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.6 mm
- 20.5 mm
- 30.3 mm✓
- 40.1 mm
Correct answer
0.3 mm
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