A Galilean telescope has an objective lens of focal length 50 cm and e – InterviewSolution

1.	A Galilean telescope has an objective lens of focal length 50 cm and eyepiece of focal length 5 cm. If the telescope is used to focus an object 2 m away from the objective lens, what should be the tube length? (Final image is forming at infinity.)
Answer» A Galilean telescope has an objective lens of focal length $50 cm$ and eyepiece of focal length $5 cm$ . If the telescope is used to focus an object $2 m$ away from the objective lens, what should be the tube length? (Final image is forming at infinity.)

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