Physics, asked by JAYANTH1960, 1 year ago

A compound lens is made of two thin lens having power plus 12.5 day and minus 2.5 D find the focal length and power of the combination

Answers

Answered by joshivasudev28

2

Power=P1+P2

=12.5+(-2.5)= 10 D

Focal length=1/10=0.1 metres

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