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A concave mirror of focal length 15cm forms an image at a distance of 40 cm from it. The distance of the object from the mirror is A. 10 cm B. 20 cm C. 24 cm D. 30 cm

Manvendra Singh chahar , 11 Years ago
Grade Upto college level
anser 2 Answers
Saurabh Koranglekar

Last Activity: 5 Years ago

Dear student

The formula is

1/f = (1/u) + (1/v)

Regards

Vikas TU

Last Activity: 5 Years ago

 concave mirror has a focal length of 15 cm. Where should on object be placed in front of this mirror so as to obtain an image which is real, inverted and of the same size as the object

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