Two waves represented by the following equations are travelling in the same medium y 1 = 5 sin ⁡ 2 π 75 t - 0 .25 x y 2 = 10 sin ⁡ 2 π 150 t - 0.50 x The intensity ratio I 1 I 2 of the two waves is

Question

Two waves represented by the following equations are travelling in the same medium y 1 = 5 sin ⁡ 2 π 75 t - 0 .25 x y 2 = 10 sin ⁡ 2 π 150 t - 0.50 x The intensity ratio I 1 I 2 of the two waves is, 1 : 2, 1 : 4, 1 : 8, 1 : 16

MARKS App · Accepted Answer

I = 1 2 ρω 2 A 2 v I 1 I 2 = ω 1 2 A 1 2 ω 2 2 A 2 2 I 1 I 2 = 75 150 2 5 10 2 I 1 I 2 = 1 16

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