Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsOptical instrumentsMedium2 minQB

PhysicsMediumsingle choice

A person cannot see the objects clearly placed at a distance more than 40 cm. He is advised to use lens of power

Answer:

Solution:

Far point $= 40 cm$ ; the lens images distant objects at $40 cm : f = - 40 cm$ .

$P = - 100/40 = - 2.5 D .$

Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:Optical instruments

⏱ 2mℹ️ Source: QB

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