Question

The image of an object formed by a convex spherical mirror is magnified one third in
comparison with the object. If the mirror is displaced by 40 cm along its principal optical axis
in the direction of light, the image is again found one-third in comparison with the object.
Find the radius of curvature of the mirror (in cm).​

Answer 1

Answer:

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Answer 2

Concave mirrors are spherical mirrors with an interior surface that reflects light. Convex mirrors are spherical mirrors having a reflecting surface on the outside.

Concave and convex mirrors are referred to as spherical mirrors because their reflecting surfaces are parts of a hollow sphere of glass. Convex mirrors are most often found in automotive passenger-side wing mirrors.

Separation of objects, u = -40cm

The object's height is equal to h.

Image height = h' = h/3 m=h′h=vu Magnification

s−vu=13 \sv=−403cm

1f=1v+1u=340+140u=340+140u=340+140u=340+140u=340+140u=340+140u=340+140u=340+140u=340