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संबंधित प्रश्न
One half of a convex lens of focal length 10 cm is covered with a black paper. Can such a lens produce an image of a complete object placed at a distance of 30 cm from the lens? Draw a ray diagram to justify your answer. A 4 cm tall object is placed perpendicular to its principal axis of a convex lens of focal length 20 cm. The distance of the object from the lens is 15 cm. Find the nature, position and the size of the image.
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
Three mirrors are created from a single sphere. Which of the following - pole, centre of curvature, radius of curvature, principal axis - will be common to them and which will not be common?

Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
The magnification for a mirror is -3. How are u and v related?
Answer the following question.
Write the modification in the curvature of the eye lens which enables us to see the nearby objects clearly?
Define the following term:
concave mirror
Define the following term in relation to concave mirror.
Radius of curvature
What do you understand by the term real image?
What is the focal length (f) of a mirror?
