Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsRefraction at curved surface/LensMedium2 minQB

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In the figure shown, if $f_{1} = 30$ cm, then $f_{2}$ is equal to (refractive indices of different media ( $μ$ ) are shown in figure)

Answer:

Solution:

Here we have $\frac{μ _{1}}{f _{1}} = \frac{μ _{2}}{f _{2}} \Rightarrow \frac{1}{30} = \frac{4/3}{f _{2}} \Rightarrow f_{2} = 40$ cm.

Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:Refraction at curved surface/Lens

⏱ 2mℹ️ Source: QB

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