The refractive index n of a substance is a dimensionless measure of how much light bends (refracts) when passing from one medium to another. n = c v where c is the speed of light in a vacuum (a constant) and v is the speed of light in the medium. For example, the refractive index of diamond is 2.42 which means that light travels 2.42 times as fast in a vacuum as it does in a diamond. Snell's law is an equation that relates the indices of refraction of two different mediums to the angle of incidence θ 1 and angle of refraction θ 2 . Angles θ 1 and θ 2 are measured from a line perpendicular to the boundary between the two mediums. Use this relationship and the table of refraction indices to complete Exercises 93-94. n 1 s i n θ 1 , = n 2 sin θ 2 If a beam of light traveling through air enters a sapphire at an angle of incidence of 23 ∘ , what is the angle of refraction? Round to the nearest tenth of a degree.
The refractive index n of a substance is a dimensionless measure of how much light bends (refracts) when passing from one medium to another. n = c v where c is the speed of light in a vacuum (a constant) and v is the speed of light in the medium. For example, the refractive index of diamond is 2.42 which means that light travels 2.42 times as fast in a vacuum as it does in a diamond. Snell's law is an equation that relates the indices of refraction of two different mediums to the angle of incidence θ 1 and angle of refraction θ 2 . Angles θ 1 and θ 2 are measured from a line perpendicular to the boundary between the two mediums. Use this relationship and the table of refraction indices to complete Exercises 93-94. n 1 s i n θ 1 , = n 2 sin θ 2 If a beam of light traveling through air enters a sapphire at an angle of incidence of 23 ∘ , what is the angle of refraction? Round to the nearest tenth of a degree.
The refractive index
n
of a substance is a dimensionless measure of how much light bends (refracts) when passing from one medium to another.
n
=
c
v
where
c
is the speed of light in a vacuum (a constant) and
v
is the speed of light in the medium. For example, the refractive index of diamond is 2.42 which means that light travels 2.42 times as fast in a vacuum as it does in a diamond.
Snell's law is an equation that relates the indices of refraction of two different mediums to the angle of incidence
θ
1
and angle of refraction
θ
2
. Angles
θ
1
and
θ
2
are measured from a line perpendicular to the boundary between the two mediums. Use this relationship and the table of refraction indices to complete Exercises 93-94.
n
1
s
i
n
θ
1
,
=
n
2
sin
θ
2
If a beam of light traveling through air enters a sapphire at an angle of incidence of
23
∘
, what is the angle of refraction? Round to the nearest tenth of a degree.
For each graph in Figure 16, determine whether f (1) is larger or smaller than the slope of the secant line between x = 1 and x = 1 + h for h > 0.
Explain your reasoning
Points z1 and z2 are shown on the graph.z1 is at (4 real,6 imaginary), z2 is at (-5 real, 2 imaginary)Part A: Identify the points in standard form and find the distance between them.Part B: Give the complex conjugate of z2 and explain how to find it geometrically.Part C: Find z2 − z1 geometrically and explain your steps.
A polar curve is represented by the equation r1 = 7 + 4cos θ.Part A: What type of limaçon is this curve? Justify your answer using the constants in the equation.Part B: Is the curve symmetrical to the polar axis or the line θ = pi/2 Justify your answer algebraically.Part C: What are the two main differences between the graphs of r1 = 7 + 4cos θ and r2 = 4 + 4cos θ?
Elementary Statistics: Picturing the World (7th Edition)
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