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प्रश्न
Name the kind of mirror used to obtain :
A real and enlarged image
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उत्तर
Concave
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संबंधित प्रश्न
Complete the following sentence:
All the distances are measured from the .......... of a spherical mirror.
A student obtained a sharp image of a burning candle, placed at the farther end of a laboratory table, on a screen using a concave mirror. For getting better value of focal length of the mirror, the subject teacher suggested him for focusing a well illuminated distant object. What should the student do?
(A) He should move the mirror away from the screen.
(B) He should move the mirror slightly towards the screen.
(C) He should move the mirror as well as the screen towards the newly selected object.
(D) He should move only the screen towards the newly selected object.
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.
How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
Define the term Aperture.
Define the term Centre of curvature.
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
A converging lens of focal length f is placed at a distance 0.3 m from an object to produce an image on a screen 0.9 m from the lens. With the object and the screen in the same positions, an image of the object could also be produced on the screen by placing a converging lens of focal length.
