Question: Checks A and B have the same luminance. What hits the retina from the check marked A is 80 units. What hits the retina from

Checks \"A\" and \"B\" have the same luminance. What hits the retina from the check marked \"A\" is 80 units. What hits the retina from the check marked \"B\"? 20 80/2 100 O 80 80*2 Can't estimate from the limited information here

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