A concave mirror brings the sun’s rays to a focus at a
Chapter 18, Problem 12CQ(choose chapter or problem)
Problem 12CQ
A concave mirror brings the sun’s rays to a focus at a distance of 30 cm from the mirror. If the mirror were submerged in a swimming pool, would the sun’s rays be focused nearer to, farther from, or at the same distance from the mirror?
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