At what position when object placed in front of a concave mirror produces virtual and erect image?

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Last updated at Oct. 7, 2021 by Teachoo

(a) Between the principal focus and the centre of curvature

(b) At the centre of curvature

(c) Beyond the centre of curvature

(d) Between the pole of the mirror and its principal focus.

Answer

(d) Between the pole of the mirror and its principal focus.

Explanation

A concave mirror forms a virtual and erect image only when the object is placed between the poles of the mirror and it’s principal focus.

This image is larger than the size of object, ie, it is magnified.

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The image formed by a concave mirror is virtual, erect and magnified. The position of object is : a at focus b between focus and centre of curvature c at pole d between pole and focus

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