Topic 3 Waves - Physics Resources

IGCSE Physics 0625 notes Topic 3: Waves. Light and Sound: Revised on: 17 September 2010 7 certain angle of incidence the angle of refraction becomes 90o. The incidence angle at which the angle of refraction is 90o is called critical angle of incidence, c. Since it is impossible of have an angle of refraction greater than 90o, it follow that ................
................