Two children A and B, while having dinner, observed a strange thing in the shining stainless steel spoon kept in front of them. Child A saw his inverted image on it while child B found his image to be upright. Give reason why child A saw an inverted image and child B an erect image?
Answers
You might have seen a beam of sunlight when it enters a room through a narrow opening or a hole.You may have also seen beams of light from the headlamps of scooters, cars and engines of trains [Fig.1(a)]. Similarly, a beam of light can be seen from a torch. Some of
Fig.1(a) Rail Engine
Fig.1(b) Light House
Fig.1:Beam of light
you may have seen a beam of searchlight from a light house or from an airport tower [Fig.1(b)].
What do these experiences suggest?
15.1 LIGHT TRAVELS ALONG A STRAIGHT LINE
Boojho recalls an activity he performed in Class VI. In that activity he looked
Paheli and Boojho were waiting for their dinner. Boojho lifted a stainless steel plate and saw his image in it. Oh! This plate acts as a plane mirror. My image is erect and is of the same size. Pahel saw her image using the back of a steel spoon. Boojho look here! I can also see my erect image though it is smaller in size. This spoon also acts as a mirror of some kind, said Pahel. You can also use a spoon or any curved shining surface to see your image.