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Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsTIR/Prism and DispersionEasy2 minQB

PhysicsEasysingle choice

A parallel beam of white light falls on a convex lens. Images of blue, red and green light are formed on other side of the lens at distances $x$ , $y$ and $z$ respectively from the pole of the lens. Then :

Options:

Answer:

Solution:

Focal length is largest for red and smallest for blue

$f_{r} > f_{g} > f_{b}$

$y > z > x$

Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:TIR/Prism and Dispersion

⏱ 2mℹ️ Source: QB

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