Physics, asked by Lalramdinpuia7866, 10 months ago

A combination of lens is taken of focal length 30 and 50 . Find power

Answers

Answered by sangitakapadnis1970

0

f1= 30 cm

f2= 50 cm

P1= 1/ f1

P1 = 100/30 D

P2 = 100/ 50 D

P= P1 + P2

P = 100/ 30 + 100 / 50

P = 80/15

P= +5.3D

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