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Recent questions tagged telegram-57615

(chatquestion)...A spherical surface of radius of curvature 10 cm separates cwo media X and Y of refractive indices 3/2 and 4/3 respectively. An object is placed in medium X. For image to be real the object distance must be - n, = 3/2 n = 4/3 (1) Greater than 90 cm (2) Less than 90 cm (3) Greater than 80 cm (4) Less than 80 cm

asked Feb 19, 2020 by balaji.thirumalai

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