Question

A point object is placed at a distance of 30 cm from a convex mirror of focal length 30 cm.The image will be formed at​

Answer 1

Given that object distance, u = -30 cm, focal length = 30 cm  

According to mirror formula:

begin mathsize 12px style 1 over straight f equals 1 over straight u plus 1 over straight v 1 over 30 equals fraction numerator 1 over denominator negative 30 end fraction plus 1 over straight v 1 over straight v equals 2 over 30 equals 1 over 15 rightwards double arrow straight v equals 15 space cm Positive space sign space of space straight v space indicates space that space the space image space is space formed space behind space the space mirror. end style

Hence the image will be formed 15 cm behind the mirror

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Answer 2

Explanation:

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