Question

An image of a pencil is observed on a plane mirror.The distance between the plane mirror and the image is 2.5 cm towards the mirror, what would be the distance between the image and the pencil?

Please answer it fast.It's urgent

Class 7 Science NCERT Chapter 15 light.​

Answer 1

Explanation:

Hence the distance between object and image will be 12 + 12 = 24 cm. okay so the distance between the pencil image and the plane mirror is 15 cm so the total distance between the image formed and the real object should be 30 cm.

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Answer 2

Answer:

5 cm

Explanation:

distance between image and plane mirror=2.5 cm

according to the characteristics of plane mirror distance between the object and and the mirror is same in the image formed.

distance between object and plane mirror =2.5 cm

total distance=2.5+2.5

                       =5 cm

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