Physics, asked by naveenkolli9729, 1 year ago

Two thin lenses focal length 10cm and -5cm are kept in contact what is the focal length and power

Answers

Answered by Reshman1
2
hey friend
two thin lenses are concave or convex lenses
can you please explain me about this question more
Answered by barundasmohapatra200
2

Answer:

-10,1/-10

Explanation:

F = f1*f2/f1 + f2

F = 10*-5/10-5 = -50/5=-10

power = 1/F = -1/10

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