CBSE BOARD X, asked by rakeshkumarjan1976, 10 months ago

when two lenses of power 4 D and -3 D are placed in contact then the power of the resultant lens is ?​

Answers

Answered by subinkumar5u
0

Answer:

easy just do the summation

Answered by kratika29
2

Explanation:

2D.........................

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