Physics, asked by config3676, 11 months ago

Two lenses have power of +1D and -2rrspectively. The power of combination is

Answers

Answered by Anonymous
0

P=1/f

so,

1=1/f

=>f=1meter

and for -2 D

-2=1/f

=>f=-0.5 meter

so their combination

= 1+(-0.5)

= 0.5 m

P= 1/0.5

P=+2 Dioptre

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