Controlled Assessment - Physics - ISA PU3.1.3 Lenses
Physics Additional ISA -
You should investigate a factor that may affect the angle of refraction of a beam of light entering a different medium
You will need to produce your own hypothesis and research a plan.
Many people have trouble seeing objects at a distance. They appear blurred. This eye defect is known as short-sight (myopia). It can be corrected with glasses. The lenses in the glasses correct short sight by refracting the light before it enters the eye.