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
What is a prism?
Name the mirror which always forms an erect and virtual image. What is the size of the image as compared to that of the object?
Give two characteristics of the virtual image formed by a convex lens.
The image formed by a pinhole camera is inverted because,
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
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 boy of height 1m 45 cm is standing in front of a long mirror at a distance of 2 m. From this information, fill up the following sentences:
- The distance between the boy and his image is ______
- The height of the image is______
- When the boy moves 1m forward, the distance between her and her image is______
The image which can be obtained on a screen is called ______.
The images that are obtained on a screen are called ______ and that which cannot be obtained on a screen ______.
Distinguish between real & virtual images.
