Booklet 2B - Waves (Equations) Flashcards

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1
Q

(Define symbols and units)

A

T - period (s)

f - frequency (Hz)

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2
Q

(Define symbols and units)

A

v - speed (ms-1)

f - frequency (Hz)

λ - wavelength (m)

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3
Q

(Define symbols and units)

To what does each equation apply?

A

path difference (m)

m - order of maximum/minimum (no unit)

λ - wavelength (m)

mλ - applies to maxima

(m+½)λ - applies to minima

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4
Q

(Define symbols and units)

A

d - slit spacing (m)

θ - angle to maximum (°)

m - order of maximum (no unit)

λ - wavelength (m)

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5
Q

(Define symbols and units)

A

n - refractive index (no unit)

θ1 - angle in medium 1/air/vacuum (°)

θ1 - angle in medium 2 (°)

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6
Q

(Define symbols and units)

A

θ1 - angle in medium 1/air/vacuum (°)

θ2 - angle in medium 2 (°)

λ1 - wavelength in medium 1/air/vacuum (m)

λ2 - wavelength in medium 2 (m)

v1 - speed in medium 1/air/vacuum (ms-1)

v2 - speed in medium 2 (ms-1)

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7
Q

(Define symbols and units)

A

θc - Critical Angle (°)

n - refractive index (no unit)

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8
Q

(Define symbols and units)

A

I - Irradiance (Wm-2)

k - constant

d - distance from source (m)

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9
Q

(Define symbols and units)

A

I - Irradiance (Wm-2)

P - Power (W)

A - Area (m2)

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10
Q

(Define symbols and units)

A

E2 - upper energy level (J)

E1 - lower energy level (J)

h - Planck’s constant (see data sheet - J s)

f - photon frequency (Hz)

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