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If lenses shown have powers P1 and P2 th...

If lenses shown have powers `P_1` and `P_2` then the combination shown,has an equivalent power

A

`P_(eq)=P_1+P_2`

B

`P_(eq)=abs(P_1-P_2)`

C

`1/P_(eq)=1/P_1+1/P_2`

D

`P_(eq)=P_1 cdot P_2`

Text Solution

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The correct Answer is:
A
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