A Galilean telescope has objective of focal length 50 cm and an eyepiece of focal length 5 cm. If the final image is formed at least distance for distinct vision (25 cm), find the magnification produced
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answer is 2.
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Detailed Solution
In Galilean telescope a concave lens is used as eyepiece. Therefore, magnification produced is given by m=f0fe1-feD=5051-525=8