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Geometrical optics: Image in diverging (convex) mirror.

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1. What is the radius of curvature of the mirror and describe the image i.e. upright, virtual?

2. Explain why parallel rays, to the optic axis, diverge when striking a diverging mirror

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Solution Summary

Image distance with ray diagrams, reflection of ray parallel to principle axis discussed. The expert explains why parallel rays, to the optic axis, diverges when striking a diverging mirror.

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An object 15cm high is placed 20cm in front of a diverging mirror; the image is 5 cm high
1. What is the radius of curvature of the mirror and describe the image i.e. upright, virtual
2. Explain why parallel rays, to the optic axis, diverge when striking a diverging mirror

Answer:

1.) All the rays parallel to the optic axis after reflection from a spherical mirror are not converges to or diverges from a single point (focus). The peripheral rays at a point nearer then the paraxial rays. Hence the mirror formula is an approximate formula only for the ...

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