Quiz — Eljeddi - Ondes mécaniques progressives 2.pdf

Question 1 sur 10 20:00

[{"id":15279,"question":"Qu'est-ce qu'une onde mécanique progressive ?","option_a":"Une vibration qui se propage dans un milieu","option_b":"Une vibration qui se propage dans le vide","option_c":"Une onde qui se propage dans un milieu solide","option_d":"Une onde qui se propage dans un milieu liquide","option_e":"","option_f":"","bonne_reponse":"a","explication":"Une onde mécanique progressive est une vibration qui se propage dans un milieu.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Une vibration qui se propage dans un milieu\", \"b\": \"Une vibration","_debug_options_count":4},{"id":15280,"question":"Les ondes mécaniques peuvent-elles se propager dans le vide ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Les ondes mécaniques ne peuvent pas se propager dans le vide.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":15281,"question":"Quelle est la vitesse d'une onde mécanique dans un milieu solide ?","option_a":"100 m\/s","option_b":"200 m\/s","option_c":"300 m\/s","option_d":"400 m\/s","option_e":"","option_f":"","bonne_reponse":"c","explication":"La vitesse d'une onde mécanique dans un milieu solide dépend du type de milieu et de la fréquence de l'onde.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"100 m\/s\", \"b\": \"200 m\/s\", \"c\": \"300 m\/s\", \"d\": \"400 m\/s\"}}","_debug_options_count":4},{"id":15282,"question":"Qu'est-ce qu'une onde mécanique transversale ?","option_a":"Une onde qui se propage dans un milieu solide","option_b":"Une onde qui se propage dans un milieu liquide","option_c":"Une onde qui se propage perpendiculairement à la direction de propagation","option_d":"Une onde qui se propage parallèlement à la direction de propagation","option_e":"","option_f":"","bonne_reponse":"c","explication":"Une onde mécanique transversale est une onde qui se propage perpendiculairement à la direction de propagation.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"Une onde qui se propage dans un milieu solide\", \"b\": \"Une onde qu","_debug_options_count":4},{"id":15283,"question":"Les ondes mécaniques progressives sont-elles périodiques ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Les ondes mécaniques progressives sont périodiques.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":15284,"question":"Quelle est la période d'une onde mécanique progressive ?","option_a":"1 seconde","option_b":"2 secondes","option_c":"3 secondes","option_d":"4 secondes","option_e":"","option_f":"","bonne_reponse":"a","explication":"La période d'une onde mécanique progressive dépend de la fréquence de l'onde.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"1 seconde\", \"b\": \"2 secondes\", \"c\": \"3 secondes\", \"d\": \"4 seconde","_debug_options_count":4},{"id":15285,"question":"Qu'est-ce qu'une onde mécanique longitudinale ?","option_a":"Une onde qui se propage dans un milieu solide","option_b":"Une onde qui se propage dans un milieu liquide","option_c":"Une onde qui se propage parallèlement à la direction de propagation","option_d":"Une onde qui se propage perpendiculairement à la direction de propagation","option_e":"","option_f":"","bonne_reponse":"c","explication":"Une onde mécanique longitudinale est une onde qui se propage parallèlement à la direction de propagation.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"Une onde qui se propage dans un milieu solide\", \"b\": \"Une onde qu","_debug_options_count":4},{"id":15286,"question":"Les ondes mécaniques progressives ont-elles une amplitude constante ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Les ondes mécaniques progressives ont une amplitude constante.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":15287,"question":"Quelle est la vitesse d'une onde mécanique dans un milieu liquide ?","option_a":"100 m\/s","option_b":"200 m\/s","option_c":"300 m\/s","option_d":"400 m\/s","option_e":"","option_f":"","bonne_reponse":"b","explication":"La vitesse d'une onde mécanique dans un milieu liquide dépend du type de milieu et de la fréquence de l'onde.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"100 m\/s\", \"b\": \"200 m\/s\", \"c\": \"300 m\/s\", \"d\": \"400 m\/s\"}}","_debug_options_count":4},{"id":15288,"question":"Qu'est-ce qu'une onde mécanique progressive ?","option_a":"Une vibration qui se propage dans un milieu","option_b":"Une vibration qui se propage dans le vide","option_c":"Une onde qui se propage dans un milieu solide","option_d":"Une onde qui se propage dans un milieu liquide","option_e":"","option_f":"","bonne_reponse":"a","explication":"Une onde mécanique progressive est une vibration qui se propage dans un milieu.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Une vibration qui se propage dans un milieu\", \"b\": \"Une vibration","_debug_options_count":4}]