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  • Ratio of intensities of two waves is given by 9:1. Then ratio of the amplitude of the two waves ?Option: 1 4:1<

Ratio of intensities of two waves is given by 9:1. Then ratio of the amplitude of the two waves ?

Option: 1

4:1


Option: 2

3:1


Option: 3

4:1


Option: 4

5:1


Answers (1)

best_answer

\begin{gathered} \frac{I_1}{I_2}=\frac{9}{1} \\ I_{} \propto A^2 \\ \frac{A_1^2}{A_2^2}=\frac{9}{1} \\ \frac{A_1}{A_2}=\frac{3}{1} \\ A_1: A_2=3: 1 \end{gathered}

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Divya Prakash Singh

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