Imagine you have a biconvex lens with a focal length of several feet. You hold t

Question

Imagine you have a biconvex lens with a focal length of several feet. You hold the biconvex lens to your eye as a friend approaches you from very far away. Which of the following is the likeliest description of how the image you see of your friend changes? the image steadily grows smaller while remaining upright. the image steadily grows smaller while remaining inverted. the image steadily grows larger while remaining upright. the image steadily grows larger while remaining inverted. the image grows larger while inverted, briefly disappears, then grows larger while upright the image grows larger while inverted, briefly disappears, then grows smaller while upright

Explanation / Answer

Biconvex lens is the combination of two convex lens (or) converging lens. Converging lens produces both real and virtual images depends upon the position where the object placed.

As the object is at infinity, then real, inverted, and diminished image formed at focal point.

when it approaching the lens, the size of the image grows, inverted, once the object placed at focal point, the object placed at inifinty. When the object placed within the focallength, then image grows and produced virtual image.

Therefore, the image grows larger while inverted, briefly disappers, then grows larger while upright.

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