Physics · Wave Optics
In a double slit experiment, when light of wavelength 400 nm was used, the angular width of the first minima formed on a screen placed 1 m away, was found to be 0.2°. What will be the angular width of the first minima, if the entire experimental apparatus is immersed in water? (μ water = 4/3)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.1°
- 20.05°
- 30.15°✓
- 40.266°
Correct answer
0.15°
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