Science, asked by badal42, 1 year ago

what will be the focal length of the lens combination when a lens of power 5D escaped in contact with a lens of power -2d

Answers

Answered by aditya678

0

30 cm is the answer
hope it helps

Akhileshsah: he ask the focal length not power

aditya678: osh

aditya678: orry

aditya678: sorry

Answered by Akhileshsah

1

the new focal length will be 0.3m that is 30cm

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