A triple-slit experiment consists of three narrow slits, equally spaced by dista

Question

A triple-slit experiment consists of three narrow slits, equally spaced by distance and illuminated by light of wavelength . Each slit alone produces intensity on the viewing screen at distance . Consider a point on the distant viewing screen such that the path-length difference between any two adjacent slits is . Part A What is the intensity at this point? Express your answer in terms of I1. Part B What is the intensity at a point where the path-length difference between any two adjacent slits is ? Express your answer in terms of I1.

Explanation / Answer

consider the following cases A: beta2 = beta1 + 10*log(f) dB. B: d^2, I2/I1 = (d1/d2)^2. we have delta beta = 10*log((d1/d2)^2) dB. The error must be the missing "^2".

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