Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsOptical instrumentsMedium2 minQB
PhysicsMediumsingle choice

An astronomical telescope in normal adjustment receives light from a distant source S. The tube length is now decreased slightly

Options:

Answer:
A
Solution:

Shortening the tube brings the intermediate image inside the eyepiece's focal length. The eyepiece then acts as a magnifier: a virtual image at a finite distance.

Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:Optical instruments
⏱ 2mℹ️ Source: QB

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