Science, asked by jyotrasmaDe, 1 year ago

A convex lens of power +0.25 D is placed in contact with another convex lens of power +0.15 D. What is the power and focal length of the combined lens system?

Answers

Answered by hardhik1

0

wkt. p=1/f
p=p1+p2
p=o.25+0.15
p=0.4D

f=f1*f2/f1+f2
f=4*6.67/4+6.67
f=2.50

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