What is the image distance for a convex mirror of focal length 70 mm when object is at 90 mm? - ELECTRONIC DEVICES Quiz | GKFix.in

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Question

What is the image distance for a convex mirror of focal length 70 mm when object is at 90 mm?

A. 315 mm
B. 210 mm
C. 180 mm
D. 450 mm

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