UK Driving Theory Practice Exam

What is an advantage of using convex mirrors in vehicles?

1. They provide a clearer image

2. They give a wider field of vision

3. They reduce glare from headlights

4. They enhance color contrast

The correct answer is: They give a wider field of vision

Using convex mirrors in vehicles offers the significant advantage of providing a wider field of vision. This is due to the shape of convex mirrors, which curve outward and allow them to capture a larger area than flat or concave mirrors. This characteristic is particularly beneficial for drivers, as it helps to mitigate blind spots and gives a better overall view of the surroundings, especially when changing lanes or reversing. Convex mirrors are particularly effective for side mirrors on cars, as they help drivers see vehicles or obstacles that might not be visible in standard flat mirrors. This capability enhances safety by enabling drivers to be more aware of their environment, thus facilitating informed decisions and reducing the likelihood of accidents. The other options, while relevant to various aspects of mirror functionality, do not accurately describe the primary advantage of convex mirrors in vehicles. For instance, the clarity of the image is generally not superior in convex mirrors compared to flat mirrors, and they do not inherently reduce glare or enhance color contrast.