Question

A concave mirror of focal length 10cm produces real inverted image whose size is same as object size.Find deposition of object from mirror.Draw a ray diagram for it

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Answer 1

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Answer 2

Answer:

The image is formed at a distance of 20 cm.

Explanation:

Given that a concave mirror produce two times magnified real image of an object.

Object distance, u = 10 cm

The magnification of a concave mirror is given by :m=\dfrac{-v}{u}m= u−v

For real image, m = -2

So,

-2=10\ cm−2= 10 cm−v

v = 20 cm

The image is formed at a distance of 20 cm.

Hence, this is the required solution.

this is correct explanation of the given question