Advertisements
Advertisements
प्रश्न
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
Advertisements
उत्तर
The spherical mirror's formula is `1/"u" + 1/"v" = 1/"f"`
Here, u is the object distance, v is the image distance and f is the focal length of the mirror.
APPEARS IN
संबंधित प्रश्न
Explain the following term related to spherical lenses: focal length
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
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.
What is the advantage of using a carbon paper rather than a white paper?
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
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.
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.
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?
An object is placed in front of a concave mirror as shown in the following figure. By scale drawing, find the nature of the image. Given f = 10 cm, v = 30 cm.
