Advertisements
Advertisements
प्रश्न
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
Advertisements
उत्तर

The position of the object is 12 cm in front of the mirror.
Its size is 1 cm.
APPEARS IN
संबंधित प्रश्न
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.
At which point of the spherical mirror the carbon paper is placed?
Write the formula for a lens connecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?
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.
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.

For what position of object, the image formed by a concave mirror is magnified and erect?
Draw a ray diagram to show the formation of image of an object kept in front of a convex mirror. State three characteristics of the image.
Define the following term in relation to concave mirror.
Pole
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
Name the two types of spherical mirrors.
What is “aperture”?
