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संबंधित प्रश्न
A 4 cm tall object is placed on the principal axis of a convex lens. The distance of the object from the optical centre of the lens is 12 cm and its sharp image is formed at a distance of 24 cm from it on a screen on the other side of the lens. If the object is now moved a little away from the lens, in which way (towards the lens or away from the lens) will he have to move the screen to get a sharp image of the object on it again? How will the magnification of the image be affected?
Name the spherical mirror which can produce a virtual and diminished image of an object.
What is a spherical mirror?
An optical device has been given to a student and he determines its focal length by focusing the image of the sun on a screen placed 24 cm from the device on the same side as the sun. Select the correct statement about the device.
(A) Convex mirror of focal length 12 cm
(B) Convex lens of focal length 24 cm
(C) Concave mirror of focal length 24 cm
(D) Convex lens of focal length 12 cm
If a spherical mirror breaks, what type of mirrors are the individual pieces?
Name the mirrors shown in Figure (a) and (b).
Name the kind of mirror used to obtain:
A real and diminished image.
Define the following term in relation to concave mirror.
Principal axis
Complete the following diagrams shown in the following figures by drawing the reflected rays.
