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To Determine the Approximate Focal Length of the Given Convex Lens by Focussing a Distant Object (Say, a Sign Board), You Try to Focus the Image of the Object on a Screen. - Science

To determine the approximate focal length of the given convex lens by focussing a distant object (say, a sign board), you try to focus the image of the object on a screen. The image you obtain on the screen is always

(a) erect and laterally inverted

(b) erect and diminished

(c) inverted and diminished

(d) virtual, inverted and diminished

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Solution

The image formed by the lens will be inverted and diminished.

Hence, the correct answer is option (c).

Concept: Convex Lens
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