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प्रश्न
An image that cannot be obtained on a screen is called ______.
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उत्तर
An image that cannot be obtained on a screen is called virtual image.
Explanation:
A virtual image is formed by diverging light rays and appears to be located behind the lens or mirror, making it impossible to project onto a screen.
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संबंधित प्रश्न
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
What do you mean by the term dispersion?
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
Write two more characteristics of the image.
Define the following term:
convex mirror
Define the following term:
concave mirror
The distance from the pole to the focus is called ______.
Spherical mirrors are one form of ______ mirrors.
The image formed in a plane mirror is always inverted.
