Categories > Ray Optics and Optical Instruments > Microscope and Telescope > A simple telescope, consisting of an objective of focal length $60 cm$ and a single eye lens of focal length $5 cm$ is focussed on a distant object is such a way that parallel rays comes out from the eye lens. If the object subtends an angle $2^o$ at the objective, the angular width of the image

Ray Optics and Optical Instruments

Question: A simple telescope, consisting of an objective of focal length $60 cm$ and a single eye lens of focal length $5 cm$ is focussed on a distant object is such a way that parallel rays comes out from the eye lens. If the object subtends an angle $2^o$ at the objective, the angular width of the image


1) $10^o$
2) $24^o$
3) $50^o$
4) $1/6^o$
Solution: Explanation: No Explanation
Microscope and Telescope

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