Physics, asked by pallavi1929, 1 year ago

an object 15 cm from a lens produces a real image 30 cm from the lens what is the focal length of the lens.

Answers

Answered by rida81

0

I think 10 centimetres

Answered by sakshijain2233

0

u=-15cm

v=30cm

f=??

by applying lens formula...

1/f=1/v-1/u

f=10cm....

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