Physics, asked by srujanreddy18, 1 year ago

A concave lens has focal length of 15cm. At what distance should objectfrom the lens be placed so that it forms image at 10 cm forms the lens

Answers

Answered by danish2394
0
given image distance = 10 cm
which is less then focal length.
so to find object distance using lens formulae
u = vf/v-f. plz use sign convention
150/-5
u = -30 cm
so object is plcaced at 2F
.....

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