Question

Give scientific reason-one can sense colour only in bright lig
Give scientific reason-Red colour is used in danger signal.
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Answer 1

Explanation:

red colour is used as it has least angle of dispersion and have long wave length and can travel longer distance than any other colour

Answer 2

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1.

1. The retina in the eye is made of many light sensitive cells.

2. The rod - shaped cells respond to the intensity of the light while the cone - shaped cells respond to various colours.

3. The cone - shaped cells do not respond to faint light.

4. They function only in bright light.

Hence, one can sense colours only in bright light.

Hope it helps!

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