Question

A boy with a mouth 5 cm wide stands 3cm from a plane mirror. where is his image and how wide is the image of his mouth ? he walks towards the mirror at m/s . at what speed does his image approach him​

Answer 1

Answer:

HERE IS YOUR ANSWER...

1)

According to question the image of the width of the mouth of a boy is as same as the original width. because the image which was formed , was formed by a plain mirror . As we all know that any image formed by a plain mirror is always as same as the original object .

2)

As he walks towards the mirror at m/s then the plain mirror will also approach him at m/s .

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