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Explain the following term related to spherical lenses:- principal axis
Write the mirror formula. Give the meaning of each symbol which occurs in it.
The diverging lens in part (a) is replaced by a converging lens also of focal length 100 mm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverging lens in part (a).
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
Draw a ray diagram to show the formation of image by a concave mirror for the object beyond its centre of curvature. State three characteristics of the image.
Define the term principal focus in case of convex mirror. Draw a convex mirror and show its principal focus and focal length clearly.
The spherical mirror with a reflecting surface curved inward is called
