Question

Calculate the ratio of intensities of two waves if their ratio of amplitudes is 3:7

Answer 1

${i}^{2} \alpha \: amplitude \\ so \\ \frac{3}{7} = \: ( \frac{ i_{1}}{ i_{2}})^{2} \\ \frac{ i_{1} }{ i_{2}} = \sqrt{ \frac{3}{7} }$
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