What is the wavelength of the light entering an interferometer if 402 bright fringes are counted when the movable mirror moves 0.115 mm?
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Ответ:
The value is
Explanation:
From the question we are told that
The number of bright fringes is n = 402
The displacement of the mirror is
Generally the number of fringes is mathematically represented as
=>
=>
=>
Ответ:
a) Pman = 13878.27[Pa]; b) Pabs = 115203.27 [Pa]
Explanation:
Para poder solucionar este problema debemos de utilizar los datos iniciales que nos dan, así como las propiedades geométricas de las piezas que se describen.
m = masa = 4 [kg]
El peso que reposa sobre el cilindro es igual a:
W = m*g
Donde:
g = gravedad = 9.81[m/s^2]
W = 4*9.81 = 39.24[N]
a)
La presión manometrica del gas, es la presión desarrollada al interior del cilindro, manteniendo el peso W en reposo. Esto se puede calcular de manera sencilla utilizando la expresión que relaciona la fuerza con la presión.
P = F/A
donde:
A = area = (pi*D^2 / 4)
A = (3.1416*(0.06^2)/4)
A = 0.00282 [m^2]
Pman = 39.24/0.00282
Pman = 13878.27[Pa]
b)
Para calcular la presión absoluta, se necesita sumar la presión atmosférica.
Pabs = Patm + Pman
La presion atmosferica a nivel del mar es igual a Patm
Patm = 101325[Pa]
Pabs = 101325 + 13878.27
Pabs = 115203.27 [Pa]