Physics
A driver uses a convex mirror as a rear view mirror. Explain the reason with the help of a ray diagram.
Answer
A convex mirror diverges the incident light rays and always form a small, erect image between its pole and focus. This enables the driver to use it as a rear view mirror so that he could able to see all the traffic behind him approaching the mirror. It has wider field of view than a plane mirror.
Related Questions
Name the kind of mirror used to obtain:
(a) a real and enlarged image,
(b) a virtual and enlarged image,
(c) a real and diminished image, and
(d) a virtual and diminished image.
State two uses of a concave mirror.
State two uses of a convex mirror.
State the kind of mirror used:
(a) by a dentist, and
(b) as a street light reflector.