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# CBSE Class 10 Answered

An object is placed 20 CM in front of concave mirror of focal length 12 cm find the position and nature of the image
Asked by Sauravkumar9173 | 15 Oct, 2018, 10:12: AM
object is placed at distance of 20 cm in front of concave mirror.
u = - 20 cm ( object is placed to the left of the mirror)
focal length of concave mirror, f= - 12 cm (focal length of concave mirror)
To find: position of image, v

By mirror formula,

The negative sign indicates that the image is formed at the same side as that of object. The image distance is 30 cm.
Thus, it is formed beyond centre of curvature and the nature of image is real, inverted and magnified.

Answered by Shiwani Sawant | 15 Oct, 2018, 11:38: AM

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