Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Critical angle is the smallest angle of incidence for which light is totally reflected.

Hope this helps:)
2 5 2
The angle of incidence corresponding to which the angle of refraction is 90° is called the critical angle between the pair of media concerned .The critical angle of a pair of media depends on the colour of the incident light and the nature of the two media.
2 1 2
please mark my answer as the brainliest.
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts