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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsYDSEEasy2 minPYQ_2016

PhysicsEasysingle choice

The intensity ratio of the maxima and minima in an interference pattern produced by two coherent sources of light is $9 : 1$ . The intensities of the used light sources are in ratio

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Answer:

Solution:

$\frac{I _{m a x}}{I _{m i n}} = \frac{( a + b ) ^{2}}{( a - b ) ^{2}} \frac{9}{1} = \frac{( a + b ) ^{2}}{( a - b ) ^{2}} or \frac{3}{1} = \frac{a + b}{a - b} or 3 a - 3 b = a + b or 2 a = 4 b or a = 2 b ∴ \frac{I _{1}}{I _{2}} = \frac{a ^{2}}{b ^{2}} = \frac{4}{1}$

Stream:AIIMSSubject:PhysicsTopic:Wave OpticsSubtopic:YDSE

⏱ 2mℹ️ Source: PYQ_2016

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