oskarim oskarim

06-07-2016
Physics

Answered

In a double-slit experiment, two beams of coherent light traveling different paths arrive on a screen some distance away. What is the path difference between the two waves corresponding to the third bright band out from the central bright band?

Verified Answer :

06-07-2016

Destructive interference occurs when path difference = ½-integer
multiple of the wavelength i.e. Minima in diffraction pattern given by,
= ! +

λ = !1 +

λ = 3λ/2

m

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