Q.
Two waves are represented byy1 = 5 sin2π(75t - 0.25x) y2 = 10 sin2π(150t - 0.50x)The intensity ratio l1l2 of the two waves is
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a
1 : 2
b
1 : 4
c
1 : 8
d
1 : 16
answer is D.
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Detailed Solution
l1l2 = A12v12ρcA22v22ρc = 5102751502 = 116
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