A convex lens is used to form an image of an object on a screen. If the upper half of the lens is blackened so that it becomes opaque, thenA. only half of the image will be visibleB. the image position shifts towards the lensC. the image position shifts away from the lensD. the brightness of the image reduces

A convex lens is used to form an image of an object on a screen. If th

1.	A convex lens is used to form an image of an object on a screen. If the upper half of the lens is blackened so that it becomes opaque, thenA. only half of the image will be visibleB. the image position shifts towards the lensC. the image position shifts away from the lensD. the brightness of the image reduces
Answer» Correct Answer - D

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