Physics, asked by abhisrt7217, 1 year ago

A convex lens of focal length 84cm is in contact with a concave lens of focal length 12cm. the power of combination is

Answers

Answered by sharankadakiya2233

2

I/84-1/7 = - 11/84 is power will be - 11 by 84 and it will act as a concave mirror

sharankadakiya2233: formula is 1/f1 +1/f2

Answered by kanchan7050

1

Answer:

I/84-1/7 = - 11/84 is power will be - 11 by 84 and it will act as a concave mirror

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