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Spherical Mirrors

Is the image ...

Question

Is the image formed in a convex, concave and plane mirror behind the reflecting surface?

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Solution

Hi,

This is not compulsory. It depends on the nature of image. In plane mirror and convex mirror virtual image is formed behind the mirror. But, in case of concave mirror, image my be real or virtual. Hence, it may form infront of the reflection surface(if real) and behind the reflecting surface(if virtual).

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Q. Which of the following images is real?

(a) image formed by a plane mirror
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(d) image formed by a convace mirror with object behind the focus

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Q. State whether the following statements are true or false. Rewrite the false statements correctly.
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(b) The radius of curvature is double the focal length of a concave mirror.
(c) A ray passing through the focus cuts through the principal axis of a concave mirror after reflection.
(d) When an object is placed between a concave mirror and its focus, the image formed is virtual, erect and larger than the object.
(e) The image formed on a cinema screen is virtual.
(f) A convex mirror is used by stage artists.
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(h) A pinhole camera gives a real image.
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(l) There can be many reflected rays for a single incident ray falling on a reflecting surface.

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