Mathematics · Wave Optics
In Young's biprism experiment using red light of wavelength 6400 Å, 60 fringes are seen in a certain field of view. If the experiment is repeated with blue light of wavelength 4800 Å, the number of fringes seen in the same field of view will be:
- 145
- 260
- 380✓
- 490
Correct answer
80
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