Advertisements
Advertisements
प्रश्न
Define the following term in relation to concave mirror.
Principal axis
Advertisements
उत्तर
An imaginary line passing through the pole and the centre of curvature of a spherical mirror is called principal axis.
APPEARS IN
संबंधित प्रश्न
What is a virtual image?
What do you mean by the term dispersion?
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
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 the two convenient rays that are chosen to construct the image by a spherical mirror for a given object? Explain your answer with the help of suitable ray diagrams.
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
Name the two types of spherical mirrors.
For a spherical mirror, ______ is true.
Visit a nearby hospital. You can also visit the clinic of an ENT specialist, or a dentist. Request the doctor to show you the mirrors used for examining ear, nose, throat and teeth. Can you recognise the kind of mirror used in these instruments?
