15. Measurement of the refractive index of a material

  • rectangular glass or perspex block

  • ray box or optics lamp 1 cylindrical lens 1 single slit

  • power supply

  • leads

  • protractor

  • A4 plain white paper

  • shaded or darkened conditions

Hazard Risk Control measure

Darkened laboratory

Physical injury if tripping on an object.

Darkened or shaded laboratory – beware of tripping hazards as you will be working in reduced lighting. Ensure there is nothing on the floor which could be a hazard and make sure you only have the necessary equipment and apparatus on your work place.