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Recent questions tagged telegram-54503

(chatquestion)...mirror raphs n (m) le of (4) Both (1) and (2) 40 Diameter of aperture of a plano-convex lens is 8 cm and its thickness at center is 4 mm. If speed of light 9. x10 m/s, then focal 5 in the material of lens is 62 xio8 length of the lens will be ui (1) 30 cm (2) 20 cm (3) 10 cm (4) 15 cm 41. Light takes time (t,) to travel a distance 'a' in medium (1) and takes time (t) to travel a distance b b f2 atı

asked Feb 1, 2020 by balaji.thirumalai

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