Revision question · Hazard awareness

Why are vehicle mirrors often slightly curved (convex)?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

They give a wider field of vision

They totally cover blind spots

They make it easier to judge the speed of the traffic behind

They make the traffic behind look bigger

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They give a wider field of visionThis was the right answer

Although a convex mirror gives a wide view of the scene behind, you should be aware that it won't show you everything behind or to the side of your vehicle. Before you move off, you'll need to look over your shoulder to check for anything not visible in the mirrors.

Reviewed reading for this question

Convex mirrors widen the viewReviewed guidance summary · DVSA explicitly explains curvature and field of view, which Rule 161 alone does not.

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