Advertisements
Advertisements
Question
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
Options
10 cm
5 cm
20 cm
15 cm
Advertisements
Solution
20 cm
APPEARS IN
RELATED QUESTIONS
What kind of mirror is required for obtaining a virtual image of the same size as the object?
Name the spherical mirror which can produce a virtual and diminished image of an object.
A student obtained a sharp image of a burning candle, placed at the farther end of a laboratory table, on a screen using a concave mirror. For getting better value of focal length of the mirror, the subject teacher suggested him for focusing a well illuminated distant object. What should the student do?
(A) He should move the mirror away from the screen.
(B) He should move the mirror slightly towards the screen.
(C) He should move the mirror as well as the screen towards the newly selected object.
(D) He should move only the screen towards the newly selected object.
Name the spherical mirror which (i) diverges (ii) converges the beam of light incident on it. Justify your answer by drawing a ray diagram in each case.
State the position of object for which the image formed by a concave mirror is of same size.
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
Spherical mirrors are one form of ______ mirrors.
