Q9 of 223 Page 173

If an object is placed at a distance of 10 cm in from of a plane mirror, how far would it be from it’s from?

Since, when the object is kept in front of the mirror then the image is formed behind the mirror at the same distance as the object distance from the mirror.

Object and mirror distance =10 cm


Mirror and image distance =10 cm


Therefore, the distance between image and object =10+10=20cm


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What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?

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Name the phenomenon responsible for the following effect:

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Which property of light makes a pencil cast a shadow when it is held in front of a light source?

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