ANSWER THE QUESTION IN ATTACHMENT...
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Answer:
Explanation:
The power of a lens is defined as the reciprocal of the focal length.
Power = 1/f
power of combination lens = 1/f1 + 1/f2
=1/0.2 +1/0.05
=0.25/0.01
= 25 Dioptre
Answered by
2
Answer:
The power of a lens is defined as the reciprocal of the focal length.
Power = 1/f
So,
Power of combination lens = 1/f1 + 1/f2
=1/0.2 +1/0.05
=0.25/0.01
=25/1 D
= 25 Dioptre
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