SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Convex lens focus a real, point sized image at focus, the object is placed
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At focus
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Between F and 2F
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At infinity
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At 2F
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Explanation:
Detailed explanation-1: -When an object is placed at infinity, the real image is formed at the focus. The size of the image is highly diminished and point size.
Detailed explanation-2: -For an object at infinity, image formed by a convex lens, the real image is formed at the focus. The size of the image is much smaller as compared to that of the object. So the magnification of the image will be zero.
Detailed explanation-3: -A convex lens forms a real image of a point object placed on its principal axis.
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