Physics, asked by GudduSingh4450, 9 months ago

Two lenses of power +2d and -1d are placed in contact with each other. calculate the power and focal length of the combined lens

Answers

Answered by cyrilcj777wifi

1

Answer:

Hello my friend

Explanation:

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P = P1 + P2 = 6D - 2D = 4D

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