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CBSE Class 10 Answered

concave mirror
Asked by | 18 Feb, 2010, 07:14: AM
answered-by-expert Expert Answer

1/u + 1/v = 1/f        .........u - object distance, v - image distance, f - focal length.

1/v = 1/f - 1/u

= 1/15 - 1/10 = -5/150

v = - 30 cm

M = Magnification = -v/u = 30/10 = 3.

The image will be at a distance 30 cm, and 3 times the size of object and will be virtual, erect, since it's placed between the pole and focus of the mirror

Regards,

Team,

TopperLearning.

Answered by | 18 Feb, 2010, 08:04: AM
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