Question: A concave mirror brings the sun's rays to a focus at a distance of (30 mathrm{~cm}) from the mirror. If the mirror were submerged in

A concave mirror brings the sun's rays to a focus at a distance of $30 \mathrm{~cm}$ 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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