1.

You cannot enjoy watching a movie from a very short distance from the screen in a cinema hall. Give reason

Answer»

Solution :i. The nearer SOMEONE is sitting to the screen of the cinema hall, the more is the intensity of light falling on the EYE.
ii. Thus, the pupil has to CONTRACT a lot, which causes a strain in the eye. Hence, you cannot enjoy watching a movie from a very SHORT distance from the screen in a cinema hall.


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