9. If an object is placed at a distance of 10 cm in from of a plane mirror, how far would it be from its image
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Answer:
20 cm
Explanation:
Given :
- An object is placed at 10 cm away from a plane mirror
To find :
- How far would the object be from the image (distance between image and object)
If the object is kept at 10 cm in front of mirror, then it would appear 10 cm backwards from the image as here it is a plane mirror
Distance between the object = distance the object is kept away from mirror + distance of the image of the object
Distance between the object = 10 cm + 10 cm
Distance between the object = 20 cm
20 cm is the distance
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