Question

identify the mirrors and lenses used in the following cases and explain how it works for the given situation
I) shaving mirror
2) rear view mirror
3) magnifying glass
4) Torches

Answer 1

shaving mirror = convex mirror
rear view mirror = convex mirror
magnifying glass = concave mirror
torches = concave mirror .........

Answer 2

1)concave mirror 
2)convex mirror
3) convex lens
4) concave lens