
¿Cómo funciona un microondas?
Authored by CINTHYA VARGAS
Physics
10th Grade
Used 4+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El funcionamiento de un horno de microondas se basa en la utilización de
ondas transversales
ondas longitudinales
ondas mecánicas
ondas electromagnéticas
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Las ondas electromagnéticas no necesitan un medio material para propagarse, se propagan en el vacío.
Cierto
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los alimentos se calientan en el microondas gracias a las moléculas
Orgánicas
No polares
Polares
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Una de las medidas de seguridad es la de no introducir _______________ porque estos materiales reflejan las ondas de microondas y pueden inducir corrientes eléctricas y provocar pequeñas explosiones.
Plásticos
Cerámica
Metales
Vidrio
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué alimento tendría una mayor absorción de energía en poco tiempo al ser calentado en un horno de microondas?
Arroz
Café
Carne
Agua congelada
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Partícula encargada de generar los campos electromagnéticos y es portadora de todas las radiaciones electromagnéticas.
Neutrón
Electrón
Protón
Fotón
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se encarga de convertir la corriente eléctrica en microondas de radio de alta frecuencia.
Fuente de energía
Magnetrón
Caja de resonancia
Ventilador
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