Advertisements
Advertisements
Question
Define the following term in relation to concave mirror.
Radius of curvature
Advertisements
Solution
The linear distance between the pole and the center of curvature is called the radius of curvature.
APPEARS IN
RELATED QUESTIONS
Define the following term in the context of spherical mirrors:- Centre of curvature
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
A student obtained on a screen the sharp image of a candle flame placed at the farther end of laboratory table using a concave mirror. For getting better value of focal length of the mirror, the teacher suggested to him to focus the sun. What should the student do?
(A) Should move the mirror away from the screen.
(B) Should move the mirror towards the screen.
(C) Should move the mirror and screen both towards the sun.
(D) Should move only the screen towards the sun.
An object of length 4 cm is placed in front of a concave mirror at distance 30 cm. The focal length of mirror is 15 cm.
- Where will the image form?
- What will be the length of image?
The sun is seen before the sunrise and after the sunset.
Define the following term:
concave mirror
What is the relation between focal length and radius of curvature of a concave mirror?
A converging lens of focal length f is placed at a distance 0.3 m from an object to produce an image on a screen 0.9 m from the lens. With the object and the screen in the same positions, an image of the object could also be produced on the screen by placing a converging lens of focal length.
