Optics and Waves Flashcards Preview

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Flashcards in Optics and Waves Deck (31)
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1
Q

Wave equation

A
2
Q

Wave equation solution

A
3
Q

wave number

A

k = 2π/λ

4
Q

Period relationship to frequency

A

T = 2π/ω

5
Q

Angular frequency relationship to frequency

A

ω = 2πf

6
Q

Phase velocity

A

ω/k

Velocity of an individual wave crest

7
Q

Group velocity

A

dω/dk

Speed at which information is transmitted

8
Q

Speed of a wave in a string

A
9
Q

angular frequency and wave number relationship to the speed of light

A

ω/k = c/n

10
Q

Wavelength of light in a medium

A

λ/n

11
Q

Transmitted intensity of polarized light incident on a polarizer

A

I=I0cos2θ

12
Q

Constructive interference

A

δ = 2nπ

13
Q

Brewster’s angle

A
14
Q

Destructive interference

A

δ = (2n+1)π

15
Q

Phase

A

δ = kΔx

16
Q

Phase shift in a thin film if n2 > n1

A

π

17
Q

Phase shift in a thin film if n2 < n1

A

0

18
Q

Resolution, i.e. Rayleigh criterion

A

Dsinθ = 1.22 λ

19
Q

Maxima in Bragg diffraction

A

dsinθ=nλ/2

20
Q

Snell’s law

A

n1sinθ1 = n2sinθ2

21
Q

Geometric optics equation

A
22
Q

Focal length of a spherical mirror

A

f = R/2

23
Q

Lensemaker’s equation

A
24
Q

Regular Doppler shift

A
25
Q

Constructive interference in a thin film

A

mλ/n = 2d if there is no phase shift

(m+1/2) λ/n = 2d if there is a phase shift

26
Q

Frequency of light in a medium

A

The frequency of light in a medium does not change

27
Q

Harmonic frequencies in an open-closed pipe

A
28
Q

Harmonic frequencies in an open-open pipe

A
29
Q

Resolving power

A

λ/Δλ

30
Q

Single slit diffraction

A
31
Q

Transmitted intensity of unpolarized light incident on a polarizer

A

I0/2