Quiz — 6 Stat 22-6-05-COULEUR.pdf

Question 1 sur 10 20:00

[{"id":93848,"question":"Quelle couleur obtient-on en mélangeant la lumière rouge et verte ?","option_a":"Jaune","option_b":"Cyan","option_c":"Magenta","option_d":"Blanc","option_e":"","option_f":"","bonne_reponse":"a","explication":"En synthèse additive (lumière), le mélange du rouge et du vert donne du jaune.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Jaune\", \"b\": \"Cyan\", \"c\": \"Magenta\", \"d\": \"Blanc\"}}","_debug_options_count":4},{"id":93849,"question":"La lumière blanche est composée d'une seule couleur.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"La lumière blanche est un mélange de toutes les couleurs du spectre visible.","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":93850,"question":"Quel phénomène explique la formation d'un arc-en-ciel ?","option_a":"La réflexion","option_b":"La réfraction","option_c":"La diffraction","option_d":"La dispersion","option_e":"","option_f":"","bonne_reponse":"d","explication":"L'arc-en-ciel se forme par la dispersion de la lumière blanche dans les gouttes d'eau.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"d\", \"options\": {\"a\": \"La réflexion\", \"b\": \"La réfraction\", \"c\": \"La diffraction\", \"d\"","_debug_options_count":4},{"id":93851,"question":"Quelles sont les trois couleurs primaires de la synthèse soustractive ?","option_a":"Rouge, Vert, Bleu","option_b":"Cyan, Magenta, Jaune","option_c":"Orange, Violet, Vert","option_d":"Noir, Blanc, Gris","option_e":"","option_f":"","bonne_reponse":"b","explication":"En peinture ou en impression, les couleurs primaires sont le cyan, magenta et jaune.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Rouge, Vert, Bleu\", \"b\": \"Cyan, Magenta, Jaune\", \"c\": \"Orange, Vi","_debug_options_count":4},{"id":93852,"question":"Un objet noir absorbe toutes les couleurs de la lumière.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un objet noir absorbe toutes les longueurs d'onde de la lumière visible sans en réfléchir aucune.","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":93853,"question":"Quel instrument permet de décomposer la lumière blanche en spectre de couleurs ?","option_a":"Un microscope","option_b":"Un prisme","option_c":"Un télescope","option_d":"Un thermomètre","option_e":"","option_f":"","bonne_reponse":"b","explication":"Un prisme dévie la lumière et sépare les différentes longueurs d'onde, créant un spectre visible.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Un microscope\", \"b\": \"Un prisme\", \"c\": \"Un télescope\", \"d\": \"Un ","_debug_options_count":4},{"id":93854,"question":"Pourquoi le ciel apparaît-il bleu en journée ?","option_a":"À cause de la réflexion du soleil","option_b":"Parce que l'atmosphère diffuse la lumière bleue","option_c":"Parce que le soleil émet plus de lumière bleue","option_d":"Parce que l'œil humain perçoit mieux le bleu","option_e":"","option_f":"","bonne_reponse":"b","explication":"La diffusion de Rayleigh dans l'atmosphère favorise la dispersion de la lumière bleue, donnant sa couleur au ciel.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"À cause de la réflexion du soleil\", \"b\": \"Parce que l'atmosphè","_debug_options_count":4},{"id":93855,"question":"La couleur d'un objet dépend uniquement de sa pigmentation naturelle.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"La couleur perçue dépend à la fois de la lumière incidente et des propriétés de réflexion\/absorption de l'objet.","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":93856,"question":"Quel phénomène optique explique que nous voyons notre reflet dans un miroir ?","option_a":"La réfraction","option_b":"La réflexion","option_c":"La diffraction","option_d":"La dispersion","option_e":"","option_f":"","bonne_reponse":"b","explication":"Un miroir reflète la lumière de manière spéculaire, permettant de voir une image nette.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"La réfraction\", \"b\": \"La réflexion\", \"c\": \"La diffraction\", \"d\"","_debug_options_count":4},{"id":93857,"question":"Quelle est la couleur complémentaire du rouge en synthèse additive ?","option_a":"Vert","option_b":"Bleu","option_c":"Cyan","option_d":"Jaune","option_e":"","option_f":"","bonne_reponse":"b","explication":"En synthèse additive, le cyan est la couleur complémentaire du rouge (elle complète le spectre pour former du blanc).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vert\", \"b\": \"Bleu\", \"c\": \"Cyan\", \"d\": \"Jaune\"}}","_debug_options_count":4}]