Question

What happened to the eye when you enter the dark cinema hall from bright sunshine give reason

Answer 1

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ANS:--

When you enter a brightly lit room from dark, two things happen.

>Firstly, when you were in dark, your pupil was dialated to let in more amount of light. As soon as you enter the bright room, the pupil contracts thus preventing the entry of light rays.

>Secondly, when you were in dark room, iodopsin was being secreted from cones call for allowing you to see in darkness. When you enter, this iodopsin produces disintegrates and rodopsin is secreted from the rod cells. This process takes some time, so as soon as you enter the brightly lit room from dark room, you get a sensation of itching and are forced to close the eyes.

Answer 2

when we enter the dark cinema hall from bright sunshine, we can't see in the minimal-light conditions.

Explanation:

• when we enter the dark cinema hall from bright sunshine, we can't see in the minimal-light conditions.
• The pupil of both the eye contracts when we're in the bright sun and lets in limited light.
• Once we enter a shadowy cinema hall, though, the pupil doesn't dilate automatically and we can't see in the minimal-light conditions.
• Yet the pupil opens after a few time to let more light in to the eye and we can see clearly.

To know more about bright sunshine, visit:

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What happens to the eye when you enter a darkened cinema hall from bright sunshine?Give reasons for your answer.

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