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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsYDSEMedium2 minPYQ_2020

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A double slit experiment is immersed in water of refractive index $1 \cdot 33$ . The slit separation is $1 mm$ , distance between slit and screen is $1 \cdot 33 m$ . The slits are illuminated by a light of wavelength $6300 \overset{˚}{A}$ . The fringewidth is

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Solution:

fringe width $= X = \frac{λ _{W} D}{d}$ $λ_{w} = \frac{6.3 \times 1 0 ^{- 7}}{1.33}, D = 1 m, d = 1 0^{- 3} m$ [on substituting and solving ] $X = 6.3 \times 1 0^{- 4} m$

Stream:MHT_CETSubject:PhysicsTopic:Wave OpticsSubtopic:YDSE

⏱ 2mℹ️ Source: PYQ_2020

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