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A THIN COAT OF TRANSPARENT SUBSTANCE WITH A REFRACTION INDEX `n` LOWER THAB THAT OF THE GLASS IS APPLIED TO THE SURFACE OF OPTICAL GLASS[COATED GLASS] TO REDUCE ITS REFLECTION FACTOR[REFLECTANCE].ESTIMATE THE THICKNESS OF THE COAT IF THIS LIGHT RAYS ARE INCIDENT ALMOST NORMALLY ONTO THE OPTICAL GLASS.
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4 Answers
voldy
·2009-01-27 19:33:42
relfectance will be given by R = r / ( i + r) R is reflectance and others have usual meanigs.
can we use this idea here?
rahul wadhwani
·2009-01-28 04:23:20
i think it is for stoping or reducing the reflection property of slab but i m not sure i have guess only