Math, asked by gargi451, 5 months ago

what is the power of the convex lens having focal length 40 cm ?

Answers

Answered by jawharganjhu

Answer:

A convex lens of focal length 40 cm is in contact with a concave lens of focal length 25 cm. The power of the combination is. Solution : P=1f=1f1+1f2=10.4+1-0.25=-1.5diopter.

Answered by Anonymous

Answer:

25 cm

Step-by-step explanation:

A convex lens of focal length 40 cm is in contact with a concave lens of focal length 25 cm. The power of the combination is. Solution : P=1f=1f1+1f2=10.4+1-0.25=-1.5diopter.

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