English

When all the seven bands of colour of white light are simultaneously incident on the retina the final perception of colour is:

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Question

When all the seven bands of colour of white light are simultaneously incident on the retina the final perception of colour is:

Options

  • black

  • white

  • brilliant blue

  • none of these

MCQ
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Solution

White

Explanation:

When all seven colour bands excite the retina together, the brain perceives white. Black is perceived when no light excites the retina, and brilliant blue is not the combined perception.

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Chapter 5: Electromagnetic Waves and Spectrum - EXERCISE [Page 116]

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Goyal Brothers Prakashan A New Approach to ICSE Physics [English] Class 10
Chapter 5 Electromagnetic Waves and Spectrum
EXERCISE | Q 17. | Page 116
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