If the lower half of a convex lens of focal length 15 cm is covered with a black paper. Can
such a lens produce an image of an object placed at a distance of 30 cm from the lens?
Draw a ray diagram to justify your answer.
such a lens produce an image of an object placed at a distance of 30 cm from the lens?
Draw a ray diagram to justify your answer.
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A convex lens can produce the complete image of the object even though half of the lens is covered. This is because light coming from the object can be refracted from the other half of the lens. However, the intensity of light will be reduced.