Q.
Two waves having intensity in the ratio 25 : 4 produce interference. The ratio of the maximum to the minimum intensity is
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a
5 : 2
b
7 : 3
c
49 : 9
d
9 : 49
answer is C.
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Detailed Solution
ImaxImin=(I1I2+1I1I2−1)2=(254+1254−1)2=499
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