Ray Optics and Optical Instruments

Question: In Gallilean telescope, if the powers of an objective and eye lens are respectively +1.25 D and – 20 D, then for relaxed vision, the length and magnification will be

1) 21.25 cm and 16

2) 75 cm and 20

3) 75 cm and 16

4) 8.5 cm and 21.25

Solution:

Explanation: No Explanation

Microscope and Telescope

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