Other questions in this quiz

2. When light moves from glass to air i.e crosses an interface what happens to its speed?

  • It slows down
  • It speeds up
  • It remains constant

3. When light passes from glass to air, where is it refracted?

  • It is not refracted
  • Away from the normal
  • Towards the normal

4. When the angle of incidence exceeds the critical value what happens?

  • There is lots of internal reflection
  • There is little internal reflection
  • There is complete internal reflection
  • There is no internal reflection

5. When the angle of incidence is equal to the critical value what angle is the light refracted at?

  • 124
  • 180
  • 42
  • 90
  • 37

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