Q. The danger signals are red while the eye is more sensitive to yellow because

  • (A) absorption in red is less than yellow and hence red is visible from a distance
  • (B) scattering in yellow light is less than red
  • (C) the wavelength of red light is more than yellow light
  • (D) none of the above reasons
βœ… Correct Answer: (C) the wavelength of red light is more than yellow light
Explanation: This is because the scattering in red light is less than that of yellow colour. The longest visible wavelength is red and the shortest is violet. The wavelength of red light is more than yellow light.
Explanation by: Admin
This is because the scattering in red light is less than that of yellow colour. The longest visible wavelength is red and the shortest is violet. The wavelength of red light is more than yellow light.

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