Advertisements
Advertisements
प्रश्न
Define the following term in relation to concave mirror.
Radius of curvature
Advertisements
उत्तर
The linear distance between the pole and the center of curvature is called the radius of curvature.
APPEARS IN
संबंधित प्रश्न
Explain the following term related to spherical lenses:- centres of curvature
An image that cannot be obtained on a screen is called ______.
A 2.0 cm tall object is placed 40 cm from a diverging lens of focal length 15 cm. Find the position and size of the image.
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
A straight stick partly dipped in water obliquely appears to be bent at the surface of the water.
What is the relation between focal length and radius of curvature of a concave mirror?
AB is the object, A'B' is the image, and MM' is the position of the mirror. Complete the ray diagram showing the formation of the image and find the focal length of the 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?
Spherical mirrors are one form of ______ mirrors.
