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A convex lens forms a real image of a point object placed on its principal axis. If the upper half of the lens is painted black, the image will |
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a) |
Be shifted downwards |
b) |
Be shifted upwards |
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c) |
Not be shifted |
d) |
Shift on the principal axis |
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A convex lens forms a real image of a point object placed on its principal axis. If the upper half of the lens is painted black, the image will |
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a) |
Be shifted downwards |
b) |
Be shifted upwards |
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c) |
Not be shifted |
d) |
Shift on the principal axis |
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(c) Covering a portion of lens does not effect position and size of image |