1.

An object at 5 cm high is placed at a distance of 60 cm in front of concave mirror of focal length 10 cm .Find its position and size of image

Answer»

Here U =-60AND f=-10.
1/u +1v=1/f
-1/60+1/v=1/-10
1/v=-1/10+1/60
1/v=-6+1/60
1/v=-5/60=-1/12
hence v=-12


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