The power of combination of two lenses o...

The power of combination of two lenses o powers + 1.5 D and - 2.5 D is .......

`-1.0 D`

`5/3` D

`3/5` D

4.0 D

Text Solution

Verified by Experts

The correct Answer is:

A, D

`P=P_1+P_2`
`=-2.5 D+1.5 D=-1.0 D`

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