Physics · Wave Optics
In two separate setups for the Fresnel Biprism experiment using the same wavelength of light, fringes of equal width are obtained. If the ratio of the slit separation in the two setups is 2:3, then the ratio of the distance between the slits and the screen in the two setups is:
- 19:4
- 24:9
- 31:2
- 42:3✓
Correct answer
2:3
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