Ejercicios resueltos Fundamentos de Física II Tema 8 - Interferencia y difracción PDF

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ejercicios resueltos...

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λpelicula = λ/npelicula

∆r = 600/1, 3 = 400

∆r = 12 λ, 2t = 32 λ, 2t = 52 λ, . . . 1 1 2t = λpelicula ⇒ t = λpelicula = 100 nm 2 4

2t

1,0 λ0 5,6

ym+1 − ym = λL/d    1 × 10−3 5,6 × 10−3 (ym+1 − ym ) d = 5,6 × 10−7 m = 560 nm = λ0 = 10 L

10,4

λ = 550

θc ≈ 1,22

550 × 10−9 λ = 1,22 = 6,45 × 10−8 rad D 10,4

λ0 = 650 n = 1,52

d=

λ λ0 = 107 nm = 4n 4

λ/2 d=

λ0 mλ , + 2 4n

m

1, 5 0, 005 4, 6

ybrillante =

λL n d

=⇒

λ=

ybrillanted = 767 nm Ln

∆y = yn+1 − yn =

λL(n + 1) λLn λL = 2,3 cm − = d d d

∆y = yn+1 − yn =

λL(n + 1) λLn λL = 2,3 cm − = d d d

θmin = 1,22

λ = 2,64 × 10−4 rad. D

rmin =

s = 76 cm. θmin...