Two interfering waves of the same frequency have an intensity ratio...

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Two interfering waves of the same frequency have an intensity ratio \( 16: 1 \). The ratio of intensities at
\( \mathrm{p} \) the maxima and minima is

W
(1) \( 25 / 16 \)
(2) 9
(3) 4
(4) \( 25 / 9 \)
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