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You have been given four convex lenses of focal length 35 cm, 25 cm, 8 cm and 4 cm. Which two convex lenses will you select for designing acompound microscope for maximum magnifying power and why ? |
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Answer» The obejective of a telescope must have large aperture to gather more light. It should ALSO have large focal LENGTH. Therefore, lensis selected as objective lens. |
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