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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsDiffractionEasy2 minPYQ_2013

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A parallel beam of light of wavelength $λ$ is incident normally on a narrow slit. A diffraction pattern formed on a screen placed perpendicular to the direction of the incident beam. At the second minimum of the diffraction pattern, the phase difference between the rays coming from the two edges of slit is:NEET 2013 (Karnataka)

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Solution:

We know that path difference for second minimum $= 2 λ$ $∴ Phase difference = \frac{2 π}{λ} \times 2 x = 4 π$

Stream:NEETSubject:PhysicsTopic:Wave OpticsSubtopic:Diffraction

⏱ 2mℹ️ Source: PYQ_2013

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