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संबंधित प्रश्न
A small object is placed 150 mm away from a diverging lens of focal length 100 mm.
(i) Copy the figure below and draw rays to show how an image is formed by the lens.
Figure
(ii) Calculate the distance of the image from the lens by using the lens formula.
For what position of object, the image formed by a concave mirror is magnified and erect?
State whether the image in part (a) is real or virtual?
The image formed by a convex mirror is of size one third the size of object. How are u and v related?
Define the term Centre of curvature.
What is the relationship between the focal length and radius of curvature?
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:
Concave mirror
A shopkeeper wanted to fix a mirror that will give a maximum view of his shop. What type of mirror should he use? Give reason.
What is the difference between virtual images of an object formed by a concave mirror and a convex mirror?
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
