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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsDiffractionEasy2 minPYQ_2020

PhysicsEasysingle choice

At the first minimum adjacent to the central maximum of a single slit diffraction pattern, the phase difference between the Huygens' wavelet from the edge of the slit and the wavelet from the mid-point of the slit is

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Answer:

Solution:

According to the question for first minima, path difference $∆ x,$

$A P - B P = λ$

$A P - M P = λ$

So, phase difference,

$ϕ = \frac{2 π}{λ} \cdot ∆ x$

$= \frac{2 π}{λ} \cdot \frac{λ}{2} = π rad$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Wave OpticsSubtopic:Diffraction

⏱ 2mℹ️ Source: PYQ_2020

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