Advertisements
Advertisements
प्रश्न
Copy the figure. By taking two rays from point A, show the formation of image. State four characteristics of the image.

Advertisements
उत्तर

Characteristics of the image:
- Image formed is real.
- Image formed is inverted.
- Image formed is enlarged.
- Image is formed beyond the center of curvature in front of concave mirror.
APPEARS IN
संबंधित प्रश्न
Wirte down the letter C and I as seen in a plane mirror.
The perpendicular to the mirror at the point of incidence is called ______.
State which surface of a plane mirror reflects most of the light incident on it: the front smooth surface or the back silvered surface.
Figure shows an incident ray AO and the normal ON on a plane mirror. The angle which the incident ray AO makes with mirror is 30°. (a) Find the angle of incidence. (b) Draw the reflected ray and then find the angle between the incident and reflected rays.

An object 3 cm high produces a real image 4.5 cm high when placed at a distance of 20 cm from a concave mirror. Calculate:
- the position of image
- focal length of the concave mirror.
Copy the figure. By taking two rays from point A, show the formation of image. State four characteristics of the image.

Give two uses of concave mirror.
A boy is standing in front of a plane mirror at a distance of 3 m from it.
(i) What is the distance between the boy and his image?
(ii) If the boy moves 1 m backward, find the distance between the image and the boy.
Show an incident ray AO and the normal ON a plan mirror. draw the reflected ray and then find the angle between the incident and reflected rays.

______ through which light can pass partially.
