What is the thinnest film of coating with n= 1.42 on glass (n=1.52) for which destructive
Channel: Doubtnut
Date: 05/07/2020

What is the thinnest film of coating with n= 1.42 on glass (n=1.52) for which destructive interference of the red component (650 nm) of an incident white light beam in air can take place by reflection ?