Physics, asked by innabat00003090295, 9 months ago

two thin convex lenses as made of glass are placed in close contact with each other .the focal length of each lens is f. If the space between the two lenses is filled with same glass material as shown ,then the effective focal length of the system is :
f
2f
3f
3/2f

Answers

Answered by Adityalearner

0

Answer:

2f

Explanation:

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