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BDifficulty 2/5

What shape is the reflecting surface of an exterior mirror that widens the field of view through outward curvature?

Correct answer

Convex.

Convex. This curvature widens the field of view, but objects can appear smaller and farther away than they are. Exterior mirrors do not all have the same shape: they may include flat surfaces or aspherical areas. Account for these differences when judging distances and check blind spots before manoeuvring.

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All options

  • Concave.

  • Flat.

  • Convex.

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