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Indian Navy SSR (Sailor) The Human Eye and the Colourful World — practice questions

Explore 1 free The Human Eye and the Colourful World questions in Indian Navy SSR (Sailor) Physics. Open each question or exercise to read its content, reference answers and available explanation.

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The splitting of white light by a prism into colours is due to:Read the answer and worked solution →

Worked practice questions

The splitting of white light by a prism into colours is due to:

  1. Different intensities of colours
  2. Different speeds of colours in the glass
  3. Reflection from the prism
  4. Absorption inside the prism
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Correct answer: B. Different speeds of colours in the glass

1. White light contains many wavelengths. 2. The refractive index of glass depends on wavelength. 3. Shorter wavelengths travel slower and bend more in the prism. 4. Longer wavelengths bend less, so colours separate. 5. This wavelength-dependent speed produces dispersion. 6. So the cause is different speeds (and hence indices) for different colours. _Source: syllabus Science Ch 11 'Human Eye and the Colourful World'_

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