Physics, asked by Smrati5949, 10 months ago

Two lens of power -3.5d and 1d are placed in contact find the total power of the combination of lens calculate the focal length of this combination

Answers

Answered by Anonymous

5

P= P1 + P2

P = -3.5+1

= -2.5D

P= 1/f

f= -0.4 m

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