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Focal power of the eye lens of a compound microscope is dioptre. The microscope is to be used for maximum magnifying power (angular magnification) of at least . The packing instructions demand that length of the microscope should be cm. Determine minimum focal power of the objective. How much will its radius of curvature be if it is a biconvex lens of .
Important Questions on Optics
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11th Maharashtra Board
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11th Maharashtra Board
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Choose the correct option.
A student uses spectacles of number for seeing distant objects. Commonly used lenses for his/her spectacles are_____.
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