Advertisements
Advertisements
Question
State whether the image in part (a) is real or virtual?
Advertisements
Solution
The image is virtual.
APPEARS IN
RELATED QUESTIONS
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection
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.
Name the two kinds of spherical mirrors and distinguish between them.
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
What type of mirror can be used to obtain a real image of an object?
An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
Define the following term in relation to concave mirror.
Aperture
Define the term principal focus in case of convex mirror. Draw a convex mirror and show its principal focus and focal length clearly.
AB is the object, A'B' is the image, and MM' is the position of the mirror. Complete the ray diagram showing the formation of the image and find the focal length of the mirror.

If the real image of a candle flame formed by a lens is three times the size of the flame and the distance between lens and image is 80 cm, at what distance should the candle be placed from the lens?
