Revision question · Band 2 traffic signs and signals, car control, pedestrians, mechanical knowledge

Why are vehicle mirrors often slightly 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

To give a wider field of vision

To totally cover blind spots

To make it easier to judge the speed of traffic behind

To make traffic behind look bigger

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To give a wider field of visionThis was the right answer

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

Reviewed reading for this question

Rule 161Highway Code rule · A convex mirror widens the view but makes following traffic look smaller and farther away; it does not remove blind areas.

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