Question

15 What are the disadvantages of using convex mirrors as driving
mirrors in vehicle s
16Give the reason why parabolic reflectors are preferred
when constructing car headlamps
17 The principal focus of a convex mirror is virtual
Explain?
please help me out with the following questions​

Answer 1

Answer:

The disadvantage is that convex mirror is that they make it appear like those objects are at a more noteworthy distance than they actually are. It always gives a virtual, erect and a diminished image.

main advantage of a parabolic antenna is that it has high directivity. It functions similarly to a searchlight or flashlight reflector to direct the radio waves in a narrow beam, or receive radio waves from one particular direction only.