Waves Formulas Flashcards
1
Q
Speed(of waves)
A
frequency × wavelength
2
Q
Refractive index
A
speed of light in vacuum ÷ speed of light in medium
OR
sin i(angle of incidence) ÷ sin r(angle of refraction)
3
Q
sin c(critical angle)
A
1 ÷ n(refractive index)