Two lenses of power +2.50 D and -3.75 D are
combined to form a compound lens. Its focal length
in cm will be
Answers
Answered by
4
P=p1+p2
=2.40+(-3.75)
=-1.35m=135cm
f=1/P
=1/135 cm
=2.40+(-3.75)
=-1.35m=135cm
f=1/P
=1/135 cm
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