Name the spherical mirror used as :
(a) 1. Shaving mirror,
2. Rear view mirror in vehicles,
3. Reflector in search - lights.
(b) Write any three differences between a real and virtual image.
(a) 1. Concave mirror
2. Convex mirror .
3. Convex mirror
(b) Points of difference between a real and virtual image :
Real image :