Boojho planned activity to observe an object A through pipes as shown in Fig., so that he could see objects which he could not directly see. (a) How many mirrors should he use to see the objects? (b) Indicate the positions of the mirrors in the figure. (c) What must be the angle with respect to the incident light at which he should place the mirrors? (d) Indicate the direction of the rays in the figure. (e) If any of the mirrors are removed, will he be able to see the objects?

Answer:

a) Three mirrors should he use to see the objects.

b)

c) Mirrors should be placed at an angle of 45° with respect to the incident light. So, that the rays can move forward.
d) Direction of rays is shown in figure.

e) If any of the mirrors are removed, he will be unable to see the objects since the reflected rays will not be able to continue forward for further reflection to reach our eyes.

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