Advertisements
Advertisements
Question
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
Solution
APPEARS IN
RELATED QUESTIONS
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
A concave lens produces an image 20 cm from the lens of an object placed 30 cm from the lens. The focal length of the lens is:
(a) 50 cm
(b) 40 cm
(c) 60 cm
(d) 30 cm
What do you mean by the term dispersion?
What type of mirror can be used to obtain a real image of an object?
State two uses of a concave mirror.
Define the following term in relation to concave mirror.
Pole
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.
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.