Physics, asked by bala464, 9 months ago

Two lens of focal length f1 and f2 are kept in contact coaxially.
The resultant power of combination will be
(a)f₁f₂/f₁ - c
(b)f₁ + f₂/f₁f₂
(c ) f₁ + f₂ (d)f₁/f₂ - f₂/f₁

Answers

Answered by nonigopalbarman857

5

Explanation:

b)f₁ + f₂/f₁f₂

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Answered by anshmistry

1

Answer:

see answer on Google mama

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