Quiz — Sujet-Corrige_Ratt_Mesure_19-20.pdf

Question 1 sur 10 20:00

[{"id":101056,"question":"Quelle est l'unité de mesure de la force dans le système international (SI) ?","option_a":"Newton (N)","option_b":"Pascal (Pa)","option_c":"Joule (J)","option_d":"Watt (W)","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'unité de force dans le système international est le Newton (N), en hommage à Isaac Newton.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Newton (N)\", \"b\": \"Pascal (Pa)\", \"c\": \"Joule (J)\", \"d\": \"Watt (W)","_debug_options_count":4},{"id":101057,"question":"Vrai ou Faux ? Le mètre est l'unité de base de la longueur dans le système international.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le mètre (m) est bien l'unité de base de la longueur dans le système international.","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":101058,"question":"Quelle conversion est correcte entre 1 kilogramme et 1 gramme ?","option_a":"1 kg = 100 g","option_b":"1 kg = 1000 g","option_c":"1 kg = 0,1 g","option_d":"1 kg = 10 g","option_e":"","option_f":"","bonne_reponse":"b","explication":"1 kilogramme équivaut à 1000 grammes, car le préfixe 'kilo' signifie 1000.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"1 kg = 100 g\", \"b\": \"1 kg = 1000 g\", \"c\": \"1 kg = 0,1 g\", \"d\": \"1","_debug_options_count":4},{"id":101059,"question":"Vrai ou Faux ? L'incertitude de mesure est toujours nulle pour un instrument de mesure précis.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"L'incertitude de mesure n'est jamais nulle, même pour un instrument précis, car elle dépend de la sensibilité de l'appareil.","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":101060,"question":"Quelle est la formule permettant de calculer la densité d'un corps ?","option_a":"Densité = Masse \/ Volume","option_b":"Densité = Volume \/ Masse","option_c":"Densité = Masse × Volume","option_d":"Densité = Masse + Volume","option_e":"","option_f":"","bonne_reponse":"a","explication":"La densité se calcule en divisant la masse d'un corps par son volume (D = 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\": \"Densité = Masse \/ Volume\", \"b\": \"Densité = Volume \/ Masse\", \"c\"","_debug_options_count":4},{"id":101061,"question":"Vrai ou Faux ? Le litre est une unité de mesure de la masse.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le litre (L) est une unité de mesure de volume, pas de masse.","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":101062,"question":"Quelle conversion est correcte entre 1 mètre cube et 1 litre ?","option_a":"1 m³ = 10 L","option_b":"1 m³ = 100 L","option_c":"1 m³ = 1000 L","option_d":"1 m³ = 0,1 L","option_e":"","option_f":"","bonne_reponse":"c","explication":"1 mètre cube équivaut à 1000 litres, car 1 m³ = 1000 dm³ et 1 dm³ = 1 L.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"1 m³ = 10 L\", \"b\": \"1 m³ = 100 L\", \"c\": \"1 m³ = 1000 L\", \"d\": ","_debug_options_count":4},{"id":101063,"question":"Vrai ou Faux ? La balance est un instrument de mesure de la masse.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La balance est bien un instrument de mesure de la masse, souvent utilisé en physique et en chimie.","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":101064,"question":"Quelle est l'unité de mesure de la pression dans le système international ?","option_a":"Pascal (Pa)","option_b":"Newton (N)","option_c":"Joule (J)","option_d":"Watt (W)","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'unité de pression dans le système international est le Pascal (Pa), en hommage à Blaise Pascal.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Pascal (Pa)\", \"b\": \"Newton (N)\", \"c\": \"Joule (J)\", \"d\": \"Watt (W)","_debug_options_count":4},{"id":101065,"question":"Vrai ou Faux ? La mesure d'une grandeur physique doit toujours être exprimée avec une unité.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Une mesure sans unité n'a pas de sens physique. L'unité est indispensable pour interpréter la valeur.","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}]