Optique Flashcards

1
Q

Formule éclairement

A

Unité est le lux (lx)

lx = lm /m2

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2
Q

Formule force

A

F = mg (N)

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3
Q

Formule Travail

A

W= mgh (J)

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4
Q

Formule réfraction

A

ni . sin (θi) = nt . sin (θt) (où nt= indice de réfraction)

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5
Q

Formule énergie photon

A

E = h f (h = constante de Planck)

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6
Q

Formule indice de réfraction

A

n = c/v (où c= v dans le vide et v = v air)

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7
Q

Formule rendement lumineux

A

flux lumineux émis / puissance absorbée (lm/W)

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8
Q

Formule éclairement

A

E = I cos (θ) / d2

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9
Q

Formule relation éclairement et luminance

A

L = R.E / 3.14

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10
Q

Formule loi de Stefen-Boltzmann pour un corps noir

A

P =AT4 (où P=puissance, T=°K et A cste)

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11
Q

Indice réfraction air

A

n air = 1

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12
Q

UNITE d’énergie standard

A

JOULE (J)

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13
Q

UNITE puissance standard

A

Watt= (J/s)

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14
Q

1 calorie = ? J

A

4,18

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15
Q

Electron-Volt(eV) = ? J

A

1,6.10^-19 J

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16
Q

Constanste de planck h

A

h = 6.626 10^-34 J/Hz

17
Q

1 watt = ? lumens

A

683 lumens

18
Q

1 calorie correspond à l’énergie nécessaire pour

A

chauffer 1g. H20 de 1°

19
Q

Spectre visible

A

400nm -> 800nm