The bulb problem

Level 1

Rita wants a colorful bulb to light up her room brightly for her birthday party. A nearby shop has only two kinds of color bulbs available: red and yellow. Rita is an intelligent woman and has a proper knowledge about the bulbs.

Which color will she choose?

Yellow Red

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1 solution

Erica Phillips
Mar 24, 2018

The answer is yellow because yellow light has a higher value of refractive index than red,hence it scatters more,therefore lighting up the room brightly!!!

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