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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
An image formed by a ______ mirror is always of the same size as that of the object.
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
Select the correct option:
Which mirror is used in periscope?
Define the following term:
convex mirror
Define the following term in relation to concave mirror.
Center of curvature
What is the relation between focal length and radius of curvature of a concave mirror?
Define the term Focus of a concave mirror.
The distance from the pole to the focus is called ______.
