Magnifying power of a terrestrial telescope of objective lens having focal length 200 cm is 40. Find the length of the telescope when the final image is formed at least distance of
Focal length of objective eyepiece and inverting lens of terrestrial telescope for 20 CM 10 cm and 5 cm respectively. Length of tube containing these lenses at normal adjustment is (1)30cm (2)35cm (3)50cm (4)40cm
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What is a total reflecting prism? State three actions that it can produce. Draw a diagram to show one action of the total reflecting prism. - India Site
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