Find how much energy enters your eye per second

Reference no: EM13512941

You are standing 2.2m from a 110-W lightbulb.

A. If the pupil of your eye is a circle 5.0mm in diameter, how much energy enters your eye per second? (Assume that 5.0% of the lightbulb's power is converted to light.)

E=___uJ

B. Repeat part A for the case of a 1.0mm--diameter laser beam with a power of 0.40mW .

E=___uJ

Reference no: EM13512941

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