Obtain an expression for the ratio of intensities at maxima and minima in an interference pattern.
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Answer:
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Explanation:
I
min
I
max
=
(a
1
−a
2
)
2
(a
1
+a
2
)
2
1
9
=
(a
1
−a
2
)
2
(a
1
+a
2
)
2
a
2
a
1
=
1
2
a
2
2
a
1
2
=
l
2
l
1
=
1
4
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