In a biprism experiment, fringes were obtained with a monochromatic source of light. The eye-piece was kept at a distance of 1 metre from the slit and bandwidth was measured. When another monochromatic sources was used without disturbing slit and biprism, the same bandwidth was obtained, when the eye-piece was at 80 cm from the slit, calculate the ratio of wavelengths of two sources.
In a biprism experiment, fringes were obtained with a monochromatic source of light. The eye-piece was kept at a distance of 1 metre from the slit and bandwidth was measured. When another monochromatic sources was used without disturbing slit and biprism, the same bandwidth was obtained, when the eye-piece was at 80 cm from the slit, calculate the ratio of wavelengths of two sources.
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Transcribed Image Text:In a biprism experiment, fringes were
obtained with a monochromatic source of
light. The eye-piece was kept at a distance of
1 metre from the slit and bandwidth was
measured. When another monochromatic
sources was used without disturbing slit and
biprism, the same bandwidth was obtained,
when the eye-piece was at 80 cm from the slit,
calculate the ratio of wavelengths of two
sources.
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