Advertisements
Advertisements
प्रश्न
What is a spherical mirror?
Advertisements
उत्तर
A reflecting surface which is a part of a sphere is called a spherical mirror.
APPEARS IN
संबंधित प्रश्न
A ray of light travels from a denser medium to a rarer medium. How will it bend?
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
Name the kind of mirror used to obtain:
A real and diminished image.
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
Define the following term:
spherical mirror
Define the term Focus of a concave mirror.
The following Figure shows a concave mirror MM' on which a ray of light incident from a point P gets reflected to meet the principle axis at O.
(a) Find, by construction, the position of the centre of curvature of the concave mirror.
(b) Write down the value for the radius of curvature of the mirror.
(c) Calculate the focal length of the mirror.
(d ) Which relation is used in deducing the focal length from the radius of curvature?
