Q20 of 223 Page 173

What are the important difference between looking at a photograph of your face and looking at yourself in a plane mirror?

The important difference between looking at a photograph of our face and looking at ourselves in a plane mirror is that the image of our face in a plane mirror is laterally inverted, so right is left and left is right. However, in a photograph of our face this does not happen.


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18

What is lateral inversion? Explain by giving a suitable example.

 19

Write the word AMBULANCE as it would appear when reflected in a plane mirror. Why is it sometimes written in this way (as its mirror image) on the front of an ambulance?

 21

A wall reflects light and a mirror also reflects light. What difference is there in the way they reflect light?

 21

Which type of reflection of light leads to the formations of images?