Q)
(chatquestion)...ALLEN
33. A plane parallel oil film (µ = 1.4) floating on 33.
water is illuminated by white light at normal
incidence. If the thickness of film is 300 nm the
most reflected wavelength will be :-
(1) 4400Å (2) 6400Å (3) 5600Å (4) 7200Å
1 Answer
...
