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An object of height 1.2m is …

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An object of height 1.2m is placed before a concave mirror of focal length 20cm so that a real image is formed at a distance of 60cm from it.find the position of an object. What will be the height of the image formed?

Posted by Monideep Nath 8 years ago

CBSE > Class 10 > Science

1 answers

Durgesh Sharma 8 years ago

Accord according to the question it is given the focal length is equals to minus 20 cm and image is equals to minus 60 we have to find image distance and given height is equal to 1.2 m y apply in the mirror formula we have have get the distance of object is equals to minus 30 and the image height is equal to -2.4 metre

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