UNIVERSIDAD NACIONAL DE INGENIERÍA FACUL ACU LTAD DE INGENIER INGENIERÍA ÍA MECÁNICA MECÁ NICA
INFORME DE LABORATORIO LABORATORIO Nº3 CUERDAS VIBRANTES
CURSO: FÍSICA II SEMESTRE DOCENTE ALUMNOS CESAR
: 2012- I
SECCIÓN: SECCIÓN: “C”
: : CHIRINOS VASUE!" CARLO
201110#$F LLACUA ANCO AL ALV VARO %ILLIA %ILLIAM M
20111231E
ÍNDICE OBJETIVOS
1
FUNDAMENTO TEORICO
2
PROCEDIMIENTO
7
CALCULOS Y RESULTADOS
8
OBSERVACIONES Y CONCLUSIONES
11
BIBLIOGRAFIA
13
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EUIPO • • • • • • •
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√
n F 2 L u
PROCEDIMIENTO 10 Ds%.'#" #( #6u%. s."# (! s! ).&. 'd)!"4 #( %".+#s." 20 P.'#" (! &!s! d# 15 /"!&.s s."# #( !st. %!"! ;!)#" u'! &!s! t.t!( d# 259, ;!)#" +u').'!" #( "!d.", !"<# (#'t!'t# (! dst!')! d#( "!d." ;!st! (! %.(#! ;!st! 6u# s# +." u' '.d. &u- )#")! d#( "!d."0 Md! (! dst!')! L d#sd# (! %.(#! ;!st! #( '.d. 'd!t. !( "!d."0 A'.t# #( '>". ' d# s#& (.'/tud#s d# .'d! ).'t#'d.s0 30 R#%#t" #( %!s. !'t#"." ).' 25, 35, 5, 5 /"!&.s d#'t". d#( !st. )u-. %#s. d## s#" !!dd. !( %#s. d#( ).'t#'d. #' :( %!"! "#+#""'.s ! (! +u#"! F0
C4()u(.s - R#su(t!d.s 10 T!(! d# d!t.s d#( #$%#"'t. f = F (N)
n
L (cm)
n 2 L
√
λ =
F
2 L
u
n
V=λ. f
501H2
85
02
50
230H8
5023
3
720
H505
50833
2808
5032
3
2
0H
50H133 3308H18
505
3
8
703
50H33
37031
5088H
3
1530
033
50H
1055877
D# (! )u!( s# .t#'# (! +"#)u#')! %".d.? + @ 8015H
20 G"!+)! d#( %#"+( d# (! )u#"d! 'd)!'d. (! %.s)*' d# &!-." #'#"/
30 G"!+)! d#
2
λ
s F
L&'()*+, , &',. ./ +.,.,& F+4. 0.5 0.45
f(x) = 0.84x + 0 R² = 0.96
0.4 0.35
Longitud de onda al cuadado !" #ue$a
0.3
Linea (Longitud de onda al cuadado !" #ue$a)
0.25 0.2 0.15 0.1 0.05 0 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65
C!# .s#"!" 6u# d#( /"4+)., (! %#'d#'t# d# (! "#)t! #s /u!( ! 5081, !(." 1
6u# t#*")!'t# #s /u!( !
2
u . f
0
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1
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2
u . f
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+"#)u#')! %".d. #s 8015HH0 D# #st.s d.s !(."#s, %.d#&.s ).')(u" 6u# s.' )!s /u!(#s, ).' (. )u!( (! t#."
OBSERVACIONES
0 0 0
L! +"#)u#')! d# (! .'d! #st!).'!"! #s !%".$&!d!'t# ).'st!'t# L! #(.)d!d d#%#'d# d# (! )!"!)t#"". d# s#&(.'/tud#s d# .'d! ds&'u-#
CONCLUSIONES 0 0 0
P.d#&.s ).')(u" 6u# #$st# u'! "#(!)*' d"#)t! #'t"# (! t#'s*' d# (! )u#"d!, (! (.'/tud d# (! )u#"d! - (! s#&(.'/tud#s d# .'d!0 E' (!s )u#"d!s #st!).'!"!s (! #'#"/
BIBLIOGRAFÍA
S#!"s K#&!'s-0 F