Ami to main a join korum oitate na tor kototuko kopano shesh math practice suru korum theory dekhse but mone thaktase na math practice suru korum theory dekhse but mone thaktase na amio math dekhum ekhon r kale tr copy marum r kale tr copy marum dekha jaibo ne sob to paros e ki copy korbi vondo interference fringes are formed by a biprism whose acute angle is 20' and refractive index is 1.5. The slit is 10cm from the biprism and is illuminated by light of wavelength 6k Angstrom find the fringe width on a screen placed at a distance of 1 metre from the biprism
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Ami to main a join korum oitate na tor kototuko kopano shesh math practice suru korum theory dekhse...
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