Two lenses with focal lengths of 10 cm and 20 cm, respectively, are in contact with each other. If both lenses are convex, what is the combined power of the two lenses in contact?

a) 0.15 m⁻¹
b) 1.5 m⁻¹
c) 0.3 m⁻¹

Question

12-08-2024
Physics

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Two lenses with focal lengths of 10 cm and 20 cm, respectively, are in contact with each other. If both lenses are convex, what is the combined power of the two lenses in contact?

a) 0.15 m⁻¹
b) 1.5 m⁻¹
c) 0.3 m⁻¹

Sagot :

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