The focal length of objective and eye-piece of a telescope are 100 cm and 5 cm respectively. Final image is formed at least distance of distinct vision. The magnification of telescope is (a) 20 (b) 24 (c) 30 (d) 36
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Prabhu R.
In an astronomical telescope, the focal length of objective lens and eyepiece are $150 \mathrm{~cm}$ and $6 \mathrm{~cm}$, respectively. In case when final image is formed at least distance of clear vision $(D=25 \mathrm{~cm})$. The magnifying power is (A) 29 (B) 30 (C) 31 (D) 32
In an astronomical telescope, the focal length of objective lens and eye-piece are 150 cm and 6 cm respectively. In case when final image is formed at least distance of distinct vision. the magnifying power is (a) 20 (b) 30 (c) 60 (d) 15
Kamlesh G.
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