(a) An extended object in the form of an arrow pointing upward has been placed in front of a plane mirror. Draw a labelled ray-diagram to show the formation of its image. (b) State the uses of plane mirrors.

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Solution

(a)

(b) Uses of a plane mirror:

Plane mirrors are used to see ourselves. For example, mirrors in a bathroom.

Plane mirrors are fixed on the inner walls of certain shops ( like jewellery shops) to make them look bigger.

Plane mirrors are fitted at blind turns of some busy roads so that drivers can see the vehicles coming from the other side and prevent accidents.

Plane mirrors are used in periscopes.

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Similar questions

(a) Draw a labelled diagram showing how a plane mirror forms an image of a point object placed in front of it.

(b) State the characteristics of the image formed in a plane mirror.

An object is placed at a distance equal to 2f in front of a convex lens. Draw a labelled ray diagram to show the formation of image. State two characteristics of the image formed.

Draw a ray diagram to show the formation of image of an object kept in front of a convex mirror. State three characteristics of the image.

Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.

Q. Where would the image be formed by a convex mirror if the object is placed:

(a) between infinity and pole of the mirror?
(b) at infinity?
Draw labelled ray-diagrams to show the formation of image in both the case.

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