4. Lalit did an activity to observe an object A through pipes as shown in figure. So
that he could see the objects which he could not see directly.
Q.i. How many mirrors should he use to see the objects? (1m)
Q.ii. Indicate the position of mirrors and the angles to place inside the pipes. (1m)
Q.iii. Mention the direction of rays in the figure. (1m)
Q.iv. If anyone mirror is removed, can he able to see the objects? (1m)
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Explanation:
1) he will need 3 mirrors - one for each curve.
2) mostly mirrors are kept at 45º to get a straight picture.
3) the rays are going to travel down from the pipe, hit the first mirror,then they are going to travel towards right hitting the second mirror and then down again. once they hit the last mirror, they will be reaching the eye and a clear upright image will be visible to lalith.
4) no if we remove even a single mirror, the image will not be seen .
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