Advertisements
Advertisements
Question
The image formed by a pinhole camera is inverted because,
Options
light travels in straight lines
light rays become laterally inverted as they pass through a pinhole camera
light rays pass through the pinhole
light rays get reflected
Advertisements
Solution
light travels in straight lines
APPEARS IN
RELATED QUESTIONS
Rays of light incident parallel to the principal axis pass through the focus after reflection from a concave mirror.
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?
Name the mirror which forms an erect, virtual and enlarged image of an object. What is the position of object relative to the mirror?
What is a real image? Name the mirror which can be used to obtain the real image of an object. What should be the position of the object relative to the mirror?
State the changes in the position, size and nature of the image when the object is brought from infinity up to the convex lens. Illustrate your answer by drawing ray diagrams.
Distinguish between real and virtual image.
Say TRUE or FALSE
The image formed in a pinhole camera is always inverted
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______
Assertion (A): Virtual objects can’t be seen by the human eye.
Reason (R): Virtual image is formed by converging rays.
