The cartoon film we see is actually the projection of static pictures on the screen in a specific order. Usually the static pictures are shown in a sequence at the rate of 24 pictures per second one after the other giving us the perception of movement.
Question
Explain the process which enables us to perceive motion in a cartoon film.
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(i) How many mirrors should he use to see the objects? (ii) Indicate the positions of the mirrors in the figure. (iii) What must be the angle with respect to the incident light at which he should place the mirrors? (iv) Indicate the direction of rays in the figure. (v) If any of the mirrors is removed, will he be able to see the objects?