How tall is the lamps image if the lamp is a distance

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A lamp which is 11.5 cm tall is in front of a concave mirror which has a focal length of 66.0 cm. (a) How tall is the lamp's image if the lamp is a distance of 39.6 cm from the mirror (include sign if negative)? (b) How tall is the lamp's image if the lamp is a distance of 85.8 cm from mirror (include sign if negative)?(c) How tall is the lamp's image if the lamp is a distance of 145.2 cm from the mirror?

Reference no: EM13101129

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