General Science • PhysicsEasy
What is the primary reason for using a convex mirror as a rear-view mirror in motor vehicles?
A. It produces an inverted and magnified image of trailing vehicles.
B. It provides a wider field of view by forming diminished and virtual images.✓ Correct Answer
C. It completely eliminates the blind spot directly behind the automobile.
D. It concentrates sunlight to keep the mirror surface free from morning dew.
💡 Solution & Explanation
Convex mirrors are preferred as automotive rear-view mirrors because they always form virtual, erect, and diminished images, thereby providing drivers with a much wider field of view of traffic behind them compared to plane mirrors. Concave mirrors form magnified inverted images which would disorient drivers. The phrase objects in the mirror are closer than they appear is stamped on passenger-side convex mirrors to warn drivers of distance estimation distortion.
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