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प्रश्न
Rays of light incident parallel to the principal axis pass through the focus after reflection from a concave mirror.
विकल्प
True
False
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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 ...........
Describe an experiment to show that a light ray bends when it passes from one transparent medium into another transparent medium.
Classify as real or virtual, the image of a candle flame formed on a screen by a convex lens. Draw a ray diagram to illustrate how the image is formed.
Say TRUE or FALSE
The image of right hand in a plane mirror looks like a left hand
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 pinhole camera is always the same size as the object
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.
The images that are obtained on a screen are called ______ and that which cannot be obtained on a screen ______.
Assertion (A): Virtual objects can’t be seen by the human eye.
Reason (R): Virtual image is formed by converging rays.
