SEMANA 0 - EVO - LUNES
Quiz
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Medium
Luis Flores
Used 2+ times
FREE Resource
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 9 pts
La energía solar es la energía que portan los fotones de radiación solar, los cuales al incidir en paneles solares se convierten por efecto fotoeléctrico en corriente eléctrica. Esta energía luego es usada para poner en funcionamiento equipos electrodomésticos. Si la función trabajo de un metal es de 2,46 eV y se requiere de un potencial de frenado de 1,20 V, ¿cuál debe ser la energía del fotón incidente?
2,83 Ev
3,66 eV
4,36 eV
3,20 eV
2,66 eV
2.
MULTIPLE CHOICE QUESTION
1 min • 9 pts
El efecto fotoeléctrico consiste en la emisión de fotoelectrones de un material luego de iluminarlo con radiación electromagnética de gran frecuencia. Sobre un metal de función trabajo 1,8 eV se hace incidir fotones que presentan una energía de 2,7 eV. ¿Cuál es la energía cinética máxima de los electrones arrancados al metal?
1,1 eV
0,9 eV
0,85 eV
4,5 eV
5 eV
3.
MULTIPLE CHOICE QUESTION
1 min • 9 pts
Indicar el valor del submúltiplo mili:
10-1
10-2
10-3
10-4
10-5
4.
MULTIPLE CHOICE QUESTION
1 min • 9 pts
Indique la equivalencia de una hora expresado en segundos:
3669
3600
4389
3000
2347
5.
MULTIPLE CHOICE QUESTION
1 min • 9 pts
13042
14043
18807
23345
34405
6.
MULTIPLE CHOICE QUESTION
1 min • 9 pts
14
12
10
15
17
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