
CMB
Quiz
•
Physics
•
University
•
Practice Problem
•
Hard
Yara Jaffé
Used 1+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La radiación cósmica de fondo...
Se observa en todas las direcciones por igual
Es mas intensa hacia el centro de la Galaxia
Se mide en longitudes de onda de rayos gamma
Es una hipotesis teorica no probada
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La radiación de un cuerpo negro a 2.7K tiene su peak de emisión en
Optico
Microóndas
Rayos X
Infrarrojo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qué tiene mayor densidad, la radiación del CMB o la materia?
Omega_rad > Omega_materia
Omega_rad << Omega_materia
Omega_rad < Omega_materia
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cómo evoluciona la temperatura del Universo a medida que se expande?
T va con a^-2
T va con a^-1
T va con a^2
T va con a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hay mas fotones que bariones en el Universo?
Verdadero
Falso
No se sabe
No lo hemos visto
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
el CMB se genera cuando el Universo tenia
T=3K
T=3000000K
T=5000K
T=3000K
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
El momento donde se general el CMB
Se llama desacoplamiento
El Univerzo se hizo tranparente
Los fotones pudieron circular libremente
Protones y electrones libres se combinaron para producir por primera vez átomos neutros
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