If the ratio of amplitude of two superposed waves is 2:1, then the ratio of maximum

If The Ratio Of Amplitude Of Two Superposed Waves Is Physics QuestionIf The Ratio Of Amplitude Of Two Superposed Waves Is Physics Question

If the ratio of amplitude of two superposed waves is 2:1, then the ratio of maximum intensity and minimum intensity is

Options

(a) (9:1)
(b) (1:9)
(c) (4:1)
(d) (1:4)

Correct Answer:

(9:1)

Explanation:

Let ɑ and b the amplitude of wave.

Given: ɑ / b = 2 / 1 (or) ɑ = 2b

I(max) / I(min) = (ɑ + b)² / (ɑ – b)² = 9 / 1

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