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प्रश्न
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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.
What do you mean by the term dispersion?
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
For what position of object, the image formed by a concave mirror is magnified and erect?
Define the following term:
concave mirror
Define the following term in relation to concave mirror.
Center of curvature
If the real image of a candle flame formed by a lens is three times the size of the flame and the distance between lens and image is 80 cm, at what distance should the candle be placed from the lens?
