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Question Bank [ 2022 ] — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsQuestion Bank [ 2022 ]1 Mark
Question
Two coherent sources whose intensity ratio is 25:1 produce interference fringes. Calculate the ratio of amplitudes of light waves coming from them.
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Answer

$\frac{ I _1}{ I _2}=\frac{25}{1}=\frac{ a _1^2}{ a _2^2} \Rightarrow \frac{ a _1}{ a _2}=\frac{5}{1}$

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