What is the minimum (non-zero) thickness of a benzene ( n = 1.501) thin film tha

Question

What is the minimum (non-zero) thickness of a benzene (n = 1.501) thin film that will result in constructive interference when viewed at normal incidence and illuminated with orange light (%u03BBvacuum = 615 nm)? A glass slide (ng = 1.620) supports the thin film. Physics 2 help for MCAT havent had physics 2 in a couple years What is the minimum (non-zero) thickness of a benzene (n = 1.501) thin film that will result in constructive interference when viewed at normal incidence and illuminated with orange light (%u03BBvacuum = 615 nm)? A glass slide (ng = 1.620) supports the thin film. Physics 2 help for MCAT havent had physics 2 in a couple years What is the minimum (non-zero) thickness of a benzene (n = 1.501) thin film that will result in constructive interference when viewed at normal incidence and illuminated with orange light (%u03BBvacuum = 615 nm)? A glass slide (ng = 1.620) supports the thin film. Physics 2 help for MCAT havent had physics 2 in a couple years

Explanation / Answer

t = (lambda) / 2*n

putting values we get

(615*10^-9)/(2*1.501) = 2.04*10^-7

t = 204nm

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