Q: AN interfence patterin is produced by light with a wavelenth 520nm from a dis

Question

Q: AN interfence patterin is produced by light with a wavelenth 520nm from a distant source incident on two identical parallel slits seperated by a distance (between centers) of 0.460mm.


A.if the slits are very narrow, what would be the angular position of the first-prder, two-slit, interfernce maxima?
theta1= ____________radians

B.What would be the angular position of the second- order, two -slit, interference maxima in this case?
theta2=____________radians


C.Let the slits have a width 0.360mm. In terms of the intensity Io at  the center of the central maximum, what is the intensity at the angular position of theta 1?
I1=_______________Io

D. What is the intensity at the angular position of theta2?
I2=_______________Io

Explanation / Answer

Understand what is given:

distance between slits d = 0.460 mm

? = 520 nm

slit width a is either very small in part (a,b) or a = 0.36nm in

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