When a 75 cm long pencil is arranged perpendicular to a

Reference no: EM13603542

When a 7.5 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 25 cm from the mirror, its image is 3.8 cm tall. (a) What is the mirror's focal length (include sign if negative)? (b) How tall is the pencil's image if the pencil is moved to a distance of 45 cm from the mirror (include sign if negative)?

Reference no: EM13603542

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