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प्रश्न
Give two uses of convex mirror.
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उत्तर १
Two uses of convex mirror are:
(a) It is used as a rear view mirror in automobile to see the traffic behind.
(b) It is used as reflector for street light bulbs.
उत्तर २
Uses of the concave mirror:
(i) Concave mirrors are used in reflecting microscope
(ii) Concave mirrors are used in shaving and makeup glasses.
Uses of the convex mirror: Convex mirrors are used as a rearview mirror in automobiles as it provides a wider view of the following traffic.
संबंधित प्रश्न
Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.
David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be ______.
Write true or false of the following statement.
The image formed by a plane mirror is real
Write true or false of the following statement.
The image of the right hand in a plane mirror looks like that of a left hand.
State two advantages and two disadvantages of the reflecting periscope.
How many images will be formed when an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other? Why do more distant images appear fainter?
A converging mirror, forms three times magnified virtual image when an object is placed at a distance of 8 cm from it. Calculate:
- the position of the image
- the focal length of the mirror.
Say TRUE or FALSE
We see planets because they reflect light from the sun
Suppose we wish to obtain the real image of a distant tree. Explain two possible ways in which we can do it.
The angle of incidence is equal to the angle of reflection for perfect reflection.
