Question

2. When an object is placed on the principal axis of a convex lens between first focus and
optical centre, then position of image will be​

Answer 1

Answer:

A virtual, erect and enlarged image is formed at the same side of lens, when an object is placed between principal focus, F1 and optical centre, O of a convex lens.

Explanation:

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Answer 2

Answer:

When an object is placed between the principal focus and optical centre of a convex lens, then a parallel ray of light AO passes through the focus after refraction along the direction OX.