Advertisements
Advertisements
Question
Solution
APPEARS IN
RELATED QUESTIONS
What type of image is formed:
on a cinema screen?
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror of convex mirror)? Calculate the focal length of a spherical mirror whose radius of curvature is 25 cm.
For what position of object, the image formed by a concave mirror is magnified and erect?
(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?
(b) State three characteristics of the image seen in part (a).
A straight stick partly dipped in water obliquely, appears to be bent at the surface of water.
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
Find the height of the image of a body of height 1.5m in a mirror with a magnification of 1.5.
The minimum length of the mirror required to see the full image of the person is half ‘ of his height.
