Science - Refraction and Reflection

Aim: To investigate how light is affected by changing the substance it is travelling through.
Equipment:

• Ray box
• Power source
• glass or perspex block, 
• single-slit ray slide.

Method: 

• Collect the equipment from your teacher, and set them up to produce a single beam of light.
• 
  

Part A

Angle of Incidence (i)	Angle of Refraction (r)
10 degrees	6
20 degrees	13
30 degrees	19
40 degrees	23

Part B:

Angle of Incidence (i)	Angle of Refraction (r)
10 degrees	7
20 degrees	14
30 degrees	20
40 degrees	24