2.7 Refraction Flashcards
Equation For Finding n Using Angles
n=Sinθ 1
——
Sinθ 2
What Always Stays The Same When Going Though Any Substance
Frequency
Equation To Find n Using Velocity
n=v1
-—
v2
Equation To Find n Using Wavelength
n = λ1
—-
λ2
Equation to Find Critical Angle
Sinθ = 1
ㅤㅤ -—
ㅤㅤ n
What colour has highest wavelength
Red
What colour has smallest wavelength
Violet
What colour has the highest frequency
Violet
What colour has the lowest frequency
Red
What Colour has the highest Refractive Index(n)
Violet
What colour has the lowest refractive index(n)
Red
What happens to a substance with a small critical angle(High Internal Reflection)
They sparkle
Critical Angle
The angle of
the incidence that produces an angle of
refraction of 90°