1.

An object is placed at a distance of 20 cm in front of convex mirror of radius of curvature 30 cm. Find the position and nature of the image.

Answer»

Solution :Here u=-20cm, r=30cm
`f=R/2=30/2=15cm`
Using MIRROR FORMULA and SUBSTITUTING the above values we get `v=60/7cm`
The image will be formed at a distance of `60/7` cm behind the mirror.
Nature of image: VIRTUAL and erect.


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