Physics, asked by vibhutikhobragade, 1 year ago

two lenses of power -2.5D and +1.5D placed in contact. find the total power of combination of lens, calculate the focal length of this combination.

Answers

Answered by Archislikhitkar

18

Answer is P=-1 Dioptre and f=1m.

Attachments:

Answered by Nehalunthi

3

Answer:

p is -10

and the focal length of the combination is -1 m

Explanation:

the negative sign implies that this diagram shows a concave lens

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