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Ch 25 Q 23 Go.) A mirror produces an image that is located 42.0 cm behind...

Ch 25 Q 23 Go.) A mirror produces an image that is located 42.0 cm behind the mirror, when the object is located 5.40 cm in front of the mirror. (a) What is the focal length of the mirror? (b) Is the mirror concave or convex?

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Answer #1

mirror Equation, ☆ ☆ ☆ f = uv Uty fr - (5.4 x42) 5.4-42 = 6.196 cm. focal lengm f = 6· 196cm b) magnification M = - = +42 7.7

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