Advertisements
Advertisements
Question
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
Solution
The maximum distance that can be obtained in concave mirror is infinity. For this case the object has to be at focus.
APPEARS IN
RELATED QUESTIONS
Explain the following terms :
Pole, Centre of curvature, Radius of curvature, Principal axis. Show them on separate diagrams for each of the concave and convex mirrors.
Write two more characteristics of the image.
Name the kind of mirror used to obtain:
A real and diminished image.
How is the focal length of a spherical mirror related to its radius of curvature?
The image formed by a convex mirror is of size one third the size of object. How are u and v related?
Select the correct option:
Which mirror is used in periscope?
AB is the object, A1B1 is its image. MM' is the position of the mirror. Complete the ray diagram and find the position of the center of curvature and focus of the mirror. Also, measure the focal length.
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Convex mirror
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
What is “aperture”?