Advertisements
Advertisements
प्रश्न
A shopkeeper wanted to fix a mirror which will give a maximum view of his shop. What type of mirror should he use? Give reason.
Advertisements
उत्तर
He should use a convex mirror as it can form images of objects spread over a large area.
APPEARS IN
संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
Why is a hole burnt in the carbon paper?
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
An optical device has been given to a student and he determines its focal length by focusing the image of the sun on a screen placed 24 cm from the device on the same side as the sun. Select the correct statement about the device.
(A) Convex mirror of focal length 12 cm
(B) Convex lens of focal length 24 cm
(C) Concave mirror of focal length 24 cm
(D) Convex lens of focal length 12 cm
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
Draw a ray diagram to show the formation of image by a concave mirror for the object beyond its centre of curvature. State three characteristics of the image.
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.
The distance from the center of curvature of the mirror to the pole is called the focal length of the mirror.
How tall does a mirror have to be to fit an entire person’s body?
