Oe-4 Total Internal Reflection

Aim

To demonstrate that an angle greater than the critical angle, of an incoming beam will be totally internally reflected, instead of being refracted.

Apparatus

  • Semi-circular Perspex Disc
  • Pasco Basic Light Source
  • Pasco Basic Optics Ray Table

Total Internal Reflection 1 Total Internal Reflection 2 Total Internal Reflection 3

Total Internal Reflection Apparatus.

Description

The apparatus is set-up as above. The light source is set-up so that the light beam is direction along the 0˚-180˚ line on the Optics Ray Table. The Optics Ray Table is rotated until the critical angle is found.

Video

To be posted.