A concave mirror and a converging lens glass with -1-5 both have a focal length of 3 cm when in air- When they are in water -4-3 their new focal lengths areA- f Lens -12 cm - f Mirror -3 cmB- fLens -3 cm - fMirror -12 cmC- f Lens -3 cm - f Mirror -3 cmD- f Lens -12 cm - f Mirror -12 cm

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A concave mir...

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A concave mirror and a converging lens (glass with $μ = 1.5$ ) both have a focal length of 3 cm when in air. When they are in water $(μ = \frac{4}{3})$ their new focal lengths are

f_{L e n s} = 12 c m, f_{M i r r o r} = 3 c m

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f_{L e n s} = 3 c m, f_{M i r r o r} = 12 c m

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f_{L e n s} = 3 c m, f_{M i r r o r} = 3 c m

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f_{L e n s} = 12 c m, f_{M i r r o r} = 12 c m

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