Physics, asked by vasanttembe08, 5 months ago

Two concave lenses which is on 30 cm are placed in contact with each other. find the power of combustion...

Answers

Answered by harshjuneja75878

2

Answer:

6.67 D

Explanation:

1/F=1/f1+1/f2

1/F=1/30+1/30

F=15cm

P=100/F

P=100/15

P= 6.67 Dioptre

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