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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

In a Young's double slit experiment, the fringe width is found to be $2 mm$ , when light of wavelength $6000 Å$ is used. Find the final fringe width if the whole apparatus is immersed in water having refractive index as $1 .33$ .

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Answer:

Solution:

Fringe width $β = 2 mm = 2 \times 10^{- 3} m$
$λ = 6000 Å$
$μ = 1.33$
$β^{'} = ?$
$β^{'} = \frac{β}{μ}$
$= \frac{2}{1.33}$

$= 1.5 mm$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Wave OpticsSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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