Science, asked by ravishankarr281, 4 months ago

a What is meant by power of a
lens.
b) State and define the S. I unit of a lens
c) A conna lens of focal length
2 5cm and a concave lease of
focal length 10cm are placed
in close contact with each other calculate the lens

Answers

Answered by singhansh1406

0

Answer:

b Bharat mata ki jai

Explanation:

Bharat mata ki jai

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