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प्रश्न
A concave mirror always forms a real image.
पर्याय
True
False
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उत्तर
This statement is False.
Explanation:
A concave mirror can form both real and virtual images. The nature of the image depends on the distance of the object from the mirror.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Pole
Explain the following term related to spherical lenses:- aperture
Complete the following sentence:
All the distances are measured from the .......... of a spherical mirror.
A student obtained on a screen the sharp image of a candle flame placed at the farther end of laboratory table using a concave mirror. For getting better value of focal length of the mirror, the teacher suggested to him to focus the sun. What should the student do?
(A) Should move the mirror away from the screen.
(B) Should move the mirror towards the screen.
(C) Should move the mirror and screen both towards the sun.
(D) Should move only the screen towards the sun.
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
Draw suitable diagrams to illustrate the action of (i) concave mirror and (ii) convex mirror on a beam of light incident parallel to the principal axis.
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.
An object is placed at 4 cm distance in front of a concave mirror of radius of curvature 24 cm. Find the position of image. Is the image magnified?
