Question

Mr. Raghav, grade 6 teacher find that his students do not draw when he draws on the board. Every time he had to turn towards them to see whether they draw and label the diagrams. Arav, one of his student fixed two big convex mirrors at the two sides of the black board. With this Mr. Raghav was able to draw and also supervise his students through the mirror. All the students started doing their work property. 

(i) Which characteristics of convex lens, let Mr. Raghav to do both his job at the same time? 

(ii) What value did Arav and Mr. Raghav show?

Answer 1

(i) The convex mirrors are diverging in nature and they have the wide field of view due to which we can see the image of large area in the mirror. The light rays incident on it gets diverged following the laws of reflection, the reflected rays forms the wider path as shown in the figure below.

(ii) Mr. Raghav every time look to see whether students are drawing the diagram or not this shows that he is a responsible and caring teacher who does his job passionately. Arav puts two convex mirrors so that Mr. Raghav will not have to turn every time this shows that Arav is helpful, caring and respectful towards his teacher. Also he had used the property of convex mirrors thus he is quite intelligent and serious student who puts the practical use of concepts in day to day life use.