Q12 of 223 Page 189

Explain why, a ray of light passing through the centre of curvature of a concave mirror gets reflected back along the same path.

When a ray of light passes through the centre of curvature of a concave mirror gets reflected back along the same path as it falls normally (perpendicularly) on the mirror surface; angle of reflection is 0° and the angle of incidence is also 0°


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Which type of mirror could be used as a dentist's mirror?

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Which kind of mirror is used in the headlights of a car? Why is it used for this purpose?

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What is the minimum number of rays required for locating the image formed by a concave mirror for an object? Draw a ray diagram to show the formation of a virtual image by a concave mirror.

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With the help of a ray diagram, determine the position, nature and size of the image formed of an object placed at the centre of curvature of a concave mirror.