
Tema 12.1 FFYE
Authored by Angel V
Physics
1st Grade
Used 158+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las radiaciones electromagnéticas necesitan un medio físico para propagarse.
Verdadero
Falso, esas son las ondas materiales
Falso, esas son las radiaciones de partículas
Falso, son los rayos X
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que exista sonido se necesita:
Un medio elástico
Una fuente de vibración
Una fuente de vibración y un medio elástico
Un receptor y un transductor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las ondas de sonido transportan materia y energía.
Verdadero
Falso, transporta materia y no energía
Falso, transporta energía y no materia
Falso, ni transporta materia ni energía
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál NO es una onda mecánica?
Rayos X
Terremoto
Sonido
Tsunami
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los ecógrafos son equipos basados en la refracción de ultrasonido sobre las estructuras anatómicas.
Verdadero
Falso, se basa en la reflexión
Falso, se basa en la dispersión
Falso, se basa en el contraste
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La transmisión de las ondas sonoras se produce gracias a los cambios de amplitud.
Verdadero
Falso, se deben a los cambios de frecuencia
Falso, se deben a los cambios de presión
Falso, se deben a los cambios de amplitud
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La velocidad del sonido es menor en:
Gases
Líquidos
Sólidos
Es siempre la misma
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