Question

2.
Why do not prefer concave mirrors as a rear-view mirror in the
vehicle ?​

Answer 1

Answer:

because concave mirrors are convergent mirrors

Answer 2

We prefer rear view mirrors and not concave mirror because rear view mirror help the drivers to see the traffic behind them over a wide range of view but in case of concave mirrors it forms the image which is usually inverted and enlarged

Hope it helps

Dhanyavaad!!