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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsDiffractionEasy2 minPYQ_2020

PhysicsEasysingle choice

A narrow slit of width $1 m m$ is illuminated by monochromatic light of wavelength $600 n m$ . The distance between the first minima on either side on a screen at a distance of $2 m$ is

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Solution:

$2 θ = \frac{2 \times λ}{d} = \frac{2 \times 600 \times 1 0^{- 9}}{1 \times 1 0^{- 3}};$

So $2 x = D (2 θ) = \frac{2 \times 600 \times 1 0^{- 9}}{1 0^{- 3}} = 2.4 m m$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Wave OpticsSubtopic:Diffraction

⏱ 2mℹ️ Source: PYQ_2020

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