Quiz — P-CO-19-OB.pdf

Question 1 sur 10 20:00

[{"id":99715,"question":"Quelle est la formule de la vitesse en physique ?","option_a":"v = d × t","option_b":"v = d \/ t","option_c":"v = t \/ d","option_d":"v = d + t","option_e":"","option_f":"","bonne_reponse":"b","explication":"La vitesse se calcule en divisant la distance parcourue (d) par le temps (t) : v = d \/ t.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"v = d × t\", \"b\": \"v = d \/ t\", \"c\": \"v = t \/ d\", \"d\": \"v = d + t\"","_debug_options_count":4},{"id":99716,"question":"Un atome est composé de protons, neutrons et électrons. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un atome est bien composé de protons (charge positive), neutrons (charge neutre) et électrons (charge négative).","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":99717,"question":"Quelle est l'unité de mesure de la tension électrique ?","option_a":"Ampère (A)","option_b":"Volt (V)","option_c":"Ohm (Ω)","option_d":"Watt (W)","option_e":"","option_f":"","bonne_reponse":"b","explication":"La tension électrique s'exprime en volts (V), symbolisés par la lettre U.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Ampère (A)\", \"b\": \"Volt (V)\", \"c\": \"Ohm (Ω)\", \"d\": \"Watt (W)\"}}","_debug_options_count":4},{"id":99718,"question":"La réaction entre un acide et une base produit toujours de l'eau. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La réaction acido-basique produit de l'eau et un sel, c'est une neutralisation.","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":99719,"question":"Quelle loi physique relie la force, la masse et l'accélération ?","option_a":"Loi d'Ohm","option_b":"Loi de Newton (F = m × a)","option_c":"Loi de Lavoisier","option_d":"Loi de Boyle-Mariotte","option_e":"","option_f":"","bonne_reponse":"b","explication":"La deuxième loi de Newton stipule que la force (F) est égale à la masse (m) multipliée par l'accélération (a) : F = m × a.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Loi d'Ohm\", \"b\": \"Loi de Newton (F = m × a)\", \"c\": \"Loi de Lavoi","_debug_options_count":4},{"id":99720,"question":"Quel est le symbole chimique de l'oxygène ?","option_a":"O2","option_b":"Ox","option_c":"O","option_d":"Oxy","option_e":"","option_f":"","bonne_reponse":"c","explication":"Le symbole chimique de l'oxygène est O, tandis que O2 représente sa forme moléculaire (dioxygène).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"O2\", \"b\": \"Ox\", \"c\": \"O\", \"d\": \"Oxy\"}}","_debug_options_count":4},{"id":99721,"question":"La lumière blanche est composée de plusieurs couleurs. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La lumière blanche est un mélange de toutes les couleurs du spectre visible (arc-en-ciel).","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":99722,"question":"Quelle est la formule chimique de l'eau ?","option_a":"H2O","option_b":"CO2","option_c":"NaCl","option_d":"C6H12O6","option_e":"","option_f":"","bonne_reponse":"a","explication":"La formule chimique de l'eau est H2O, composée de deux atomes d'hydrogène et un atome d'oxygène.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"H2O\", \"b\": \"CO2\", \"c\": \"NaCl\", \"d\": \"C6H12O6\"}}","_debug_options_count":4},{"id":99723,"question":"Quel appareil mesure l'intensité du courant électrique ?","option_a":"Voltmètre","option_b":"Ohmmètre","option_c":"Ampèremètre","option_d":"Générateur","option_e":"","option_f":"","bonne_reponse":"c","explication":"L'ampèremètre est l'appareil utilisé pour mesurer l'intensité du courant électrique en ampères (A).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"Voltmètre\", \"b\": \"Ohmmètre\", \"c\": \"Ampèremètre\", \"d\": \"Géné","_debug_options_count":4},{"id":99724,"question":"La masse volumique d'un corps se calcule en divisant sa masse par son volume. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La masse volumique (ρ) est bien définie comme le rapport de la masse (m) sur le volume (V) : ρ = m \/ V.","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}]