A point object is placed midway between two concave mirrors
(facing each other). Each of the mirrors has a focal length
of 10 cm. what must be the distance between the mirrors for
which only one image is seen?

1 10cm

2 20cm

3 40cm

4 20cm or 40cm

Answer Posted / praveen kumar gupta

40 cm.

Is This Answer Correct ?    1 Yes 2 No



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