Advertisements
Advertisements
प्रश्न
Rays of light incident parallel to the principal axis pass through the focus after reflection from a concave mirror.
पर्याय
True
False
Advertisements
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
The angle of incidence for a ray of light passing through the centre of curvature of a spherical mirror is ...........
Say TRUE or FALSE
The image formed by the plane mirror is laterally inverted, hence the image seen through the periscope is also laterally inverted
Say TRUE or FALSE
The image formed in a plane mirror is upside down
Figure shows a pencil placed above a mirror

- Draw its image formed by the mirror
- Show how light rays from the object are reflected at the mirror to form the image for the eye.
A person is looking at the image of a tree in a mirror placed 3.5 m in front of him. Given that the tree is at 0.5 m behind his eyes. Find the distance between the image of the tree and his eyes. What are needed to see an object?
The image which can be obtained on a screen is called ______.
Assertion (A): Virtual objects can’t be seen by the human eye.
Reason (R): Virtual image is formed by converging rays.
Write the difference between real images and virtual images.
