Advertisements
Advertisements
प्रश्न
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
Advertisements
उत्तर
Focal length =25 cm.
Object distance = 20 cm.
Height o f object = 10 cm.
Image is virtual, erect, and magnified.
APPEARS IN
संबंधित प्रश्न
State the two kinds of spherical mirror and distinguish them with the aid of proper diagrams.
State the types of mirrors used for (i) headlights and (ii) rear view mirror, in cars and motorcycles. Give to justify your answer in each case.
State whether the image in part (a) is real or virtual?
The image formed by a convex mirror is
Answer the following question:
Distinguish between the convex mirror and the concave mirror.
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.
Principal focus
Define the following term in relation to concave mirror.
Aperture
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
A ray of light is incident towards a plane mirror at an angle of 30° with the mirror surface. What will be the angle of reflection?
