A

Admin • 802.91K Points
Coach

Q. Red light is used for signals because it has

  • (A) Long wavelength
  • (B) High intensity
  • (C) High frequency
  • (D) Low refraction in the medium
  • Correct Answer - Option(A)
  • Views: 2
  • Filed under category Physics
  • Hashtags:
Explanation by: Admin
Red light is used as danger signal because it is having high wavelength, less scattering ,hence can travel larger distances.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.