Physics · Wave Optics
In Young's double slit experiment, the wavelength of monochromatic light is increased by 20% and the distance between the two slits is decreased by 25%. If the initial fringe width is 0.3 mm, then the final fringe width is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.48 mm✓
- 20.16 mm
- 30.60 mm
- 40.72 mm
Correct answer
0.48 mm
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