26 : In a biprism experiment the optical path in focal plane of the eyepiece where the fringes are formed from the optical images of the slit differ by 185.5 wavelengths. Will the point be bright or dark ?. If the path difference is 12 x 105 m calculate the wavelength of light used.
26 : In a biprism experiment the optical path in focal plane of the eyepiece where the fringes are formed from the optical images of the slit differ by 185.5 wavelengths. Will the point be bright or dark ?. If the path difference is 12 x 105 m calculate the wavelength of light used.
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Transcribed Image Text:Ex. 26 : In a biprism experiment the optical
path in focal plane of the eyepiece where the
fringes are formed from the optical images of
the slit differ by 185.5 wavelengths. Will the
point be bright or dark ?.If the path difference
is 12 x 105 m calculate the wavelength of light
used.
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