Mathematics · Wave Optics
In a Young's double-slit experiment, the slits are initially separated by 0.2 mm. If the slit separation is increased to 0.4 mm while keeping other parameters constant, what is the percentage change in the fringe width?
- 1No change (0%)
- 2A decrease of 50%✓
- 3An increase of 50%
- 4An increase of 100%
Correct answer
A decrease of 50%
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