alleryConvex mirrors are preferred for rear-view because the image is always:
AErect
BEqual
CEmpty
DExact
Answer & Solution
Correct answer: A. Erect
1. The driver must see traffic behind.
2. An upside down image would be useless.
3. The image is always erect.
_Source: syllabus Science, Ch 10 'Light - Reflection and Refraction'_
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