Science

A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 56.21 diopters, and the lens-to-retina distance is 1.827 cm.

(a) How far is the blackboard from her eyes? (b) If the writing on the blackboard is 7.46 cm high, what is the height of the image on her retina?

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Last updated by phamyen123
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