Explain with reasons why we do not get hyperbolic fringes in Fresnel’s biprism experiment.
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Answer:
Consider fringes, They are alternate patterns. In a double slit experiment, as we know the pattern is formed because of the interference ... You won't get a hyperbolic locus everytime.
We do not get hyperbolic fringes inferential by prism experiment due to the following reasons:
- In the double slit experiment alternate patterns are formed because of the interference of the light waves which are emanating from the slits.
- Integral multiple of wavelength is the path difference between the Waves single wavelength light is used for young's double slit experiment.
- They form destructive interference and have dark fringes if the difference is equal to half times of odd integral multiple of wavelength.
- It follows a particular path difference for a single fringe. So, the fringe is the locus of such two points whose difference in distance from the slits is a constant.