Mathematics · Wave Optics
Light of wavelength 5000 Æ is incident normally on a slit. The first minimum of the diffraction pattern is observed to lie at a distance of 5 mm from the central maximum on a screen placed at a distance of 2 m from the slit. The width of the slit is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.01 cm
- 20.02 cm✓
- 30.2 cm
- 42 cm
Correct answer
0.02 cm
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