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Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsRefraction at plane surfaceEasy2 minPYQ_2020

PhysicsEasysingle choice

A light travels through water in the beaker. The height of water column is 'h'. Refractive index of water is ' $μ_{w}^{'}$ . If $C$ is velocity of light in air, the time taken by light to travel through water will be

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Solution:

Velocity $= \frac{distance}{time}$ $∴$ time $= \frac{distance}{velocity} = \frac{h}{c} μ_{w}$ $∴ μ_{w} = \frac{c}{v} ∴ v = \frac{c}{μ _{w}}$

Stream:MHT_CETSubject:PhysicsTopic:Geometrical OpticsSubtopic:Refraction at plane surface

⏱ 2mℹ️ Source: PYQ_2020

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