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194. The intensity ratio of waves is 25:9. What is the ratio oftheir amplitudes?(a) 5:3(c) 25:9(b) 50: 18(d) 3:5

Answer»

I1/I2=(a1/a2)2

a1/a2 = √(l1/l2)

= √(25/9)

= 5/3

= 5:3

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