Sunlight – White or Coloured

  1. Q1: What is the natural source of white light?
    Answer: Sun
    Explanation: The sun is the primary source of white light on Earth.
  2. Q2: What phenomenon splits sunlight into its component colours?
    Answer: Dispersion
    Explanation: Dispersion is the splitting of white light into its different colours.
  3. Q3: What transparent object is used to disperse sunlight?
    Answer: Prism
    Explanation: A glass prism splits sunlight into a spectrum of seven colours.
  4. Q4: How many colours are present in the sunlight spectrum?
    Answer: Seven
    Explanation: Sunlight consists of seven colours, which can be seen in a rainbow or through a prism.
  5. Q5: What is the band of seven colours formed due to dispersion called?
    Answer: Spectrum
    Explanation: The spectrum is the band of colours obtained after dispersion of light.
  6. Q6: What natural phenomenon shows the dispersion of sunlight in the sky?
    Answer: Rainbow
    Explanation: A rainbow is a natural example of dispersion of sunlight.
  7. Q7: What is the first colour in the spectrum of sunlight?
    Answer: Violet
    Explanation: Violet is the first colour of the visible spectrum.
  8. Q8: What is the last colour in the spectrum of sunlight?
    Answer: Red
    Explanation: Red is the last colour in the sequence of the spectrum.
  9. Q9: What do we call sunlight after it splits into its component colours?
    Answer: Coloured
    Explanation: After dispersion, sunlight is seen as coloured light consisting of different colours.
  10. Q10: What causes the formation of a rainbow after rainfall?
    Answer: Refraction
    Explanation: Refraction and dispersion of sunlight through water droplets in the atmosphere form a rainbow.

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