Onde Luminose Flashcards

1
Q

Indice di rifrazione e legge di Snell

A

n = c/v
(sin i / sin r ) = (n2/n1) = (v1/v2)
i°l = n2/n1

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2
Q

Lunghezza d’onda (interferometro di Young)

A

§ = d∆y/l

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3
Q

Posizioni angolari ( interferometro di Young )

A

sin@k = k(§/d)
yk = k§l/d
Frangia buia sin @m = (m+(1/2))§/d

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4
Q

Condizioni per interferenza costruttiva o distruttiva

A

S1P - S2P = k§
S1Q - S2Q = (2k+1)§/2

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5
Q

Una fenditura: posizione scura e ampiezza angolare

A

sin$m = m(§/d)
∆$ = 2§1 = 2§/d

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6
Q

Frangia luminosa in reticolo

A

Sin@k = k§/d

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