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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsYDSEHard2 minPYQ_2023

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A double slit experiment is immersed in water of refractive index 1.33. The slit separation is $1 mm$ , distance between slit and screen is $1.33 m$ The slits are illuminated by a light of wavelength $6300 \overset{˚}{A}$ . The fringe width is

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Solution:

$λ_{liquid} = \frac{λ _{sir}}{μ} λ_{liquid} = \frac{6300 \times 1 0 ^{- 10}}{1.33}$ Fringe width, $W = \frac{λ _{liquid} \times D}{d} = \frac{6300 \times 1 0 ^{- 10} \times 1.33}{1.33 \times 0.001} = 6.3 \times 1 0^{- 4} m$

Stream:MHT_CETSubject:PhysicsTopic:Wave OpticsSubtopic:YDSE

⏱ 2mℹ️ Source: PYQ_2023

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