Calculate how far is the blackboard from her eyes

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Reference no: EM13496520

A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 58.05 diopters, and the lens-to-retina distance is 1.728 cm.

a) How far is the blackboard from her eyes?

b) If the writing on the blackboard is 4.67 cm high, what is the height of the image on the retina?

Reference no: EM13496520

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