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Westkost [7]
3 years ago
9

Which of the following changes would increase the focal length of a lens? a) decrease rodius of curvature of surfoce c) increase

index of refraction of lens material. d) use red colored lens material b) increase radius of curvature of surface
Physics
1 answer:
anastassius [24]3 years ago
8 0

Answer:

Increase the radius of curvature of surface.

Explanation:

Radius of curvature is the measurement that is two times the focal length, for a given lens. It lies on either side of the lens.

Focal length is the distance which is half of the radius of curvature. Radius of curvature is a measure of the radius of the circle . Focal length is the distance between the center of curvature of the lens and the point where all the rays are brought to a focus for a distant object.

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