Ecrit par ✅ Quiz : Radioactivite Alpha Beta Et Gamma
Ce quiz contient 20 questions.
Note : Placeholder pour valider la structure. Le JSON converti est conservé ci-dessous pour l’import final des vraies questions Tutor LMS.
JSON Tutor LMS-ready
{
"quiz_title": "Radioactivite Alpha Beta Et Gamma",
"quiz_slug": "04_radioactivite_alpha_beta_et_gamma_quiz",
"quiz_description": "Quiz Edu509 : Radioactivite Alpha Beta Et Gamma",
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"time_type": "minutes"
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"questions": [
{
"question_order": 1,
"question_title": "Quel est le noyau fils formé lors de la désintégration alpha du polonium \\\\( ^{210}_{84}\\\\mathrm{Po} \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Lors d'une désintégration alpha, le noyau perd 2 protons et 2 neutrons. Donc, \\\\( A = 210 - 4 = 206 \\\\) et \\\\( Z = 84 - 2 = 82 \\\\). Le noyau fils est donc \\\\( ^{206}_{82}\\\\mathrm{Pb} \\\\).",
"answers": [
{
"answer_title": "\\\\( ^{206}_{82}\\\\mathrm{Pb} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( ^{210}_{83}\\\\mathrm{Bi} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( ^{206}_{84}\\\\mathrm{Po} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( ^{208}_{82}\\\\mathrm{Pb} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 2,
"question_title": "Lors d’une désintégration \\\\( \\\\beta^- \\\\) du strontium \\\\( ^{90}_{38}\\\\mathrm{Sr} \\\\), quel est le noyau fils ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration \\\\( \\\\beta^- \\\\), le nombre de masse reste constant et le numéro atomique augmente de 1 : \\\\( Z = 38 + 1 = 39 \\\\). Le noyau fils est \\\\( ^{90}_{39}\\\\mathrm{Y} \\\\).",
"answers": [
{
"answer_title": "\\\\( ^{90}_{39}\\\\mathrm{Y} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( ^{90}_{37}\\\\mathrm{Rb} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( ^{89}_{38}\\\\mathrm{Sr} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( ^{90}_{38}\\\\mathrm{Kr} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 3,
"question_title": "Quelle particule est émise lors d’une désintégration \\\\( \\\\beta^+ \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La désintégration \\\\( \\\\beta^+ \\\\) correspond à l’émission d’un positron, qui est l’antiparticule de l’électron.",
"answers": [
{
"answer_title": "Un positron",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Un neutron",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Un électron",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Un noyau d’hélium",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 4,
"question_title": "Après une désintégration alpha du radium \\\\( ^{226}_{88}\\\\mathrm{Ra} \\\\), quel est le numéro atomique du noyau fils ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration alpha, le numéro atomique diminue de 2 : \\\\( 88 - 2 = 86 \\\\).",
"answers": [
{
"answer_title": "86",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "88",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "90",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "84",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 5,
"question_title": "Quelle transformation nucléaire conserve à la fois le nombre de masse et le numéro atomique ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "L’émission gamma ne change ni le nombre de masse ni le numéro atomique, seul l’état d’excitation du noyau change.",
"answers": [
{
"answer_title": "Émission gamma",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Désintégration alpha",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Désintégration \\\\( \\\\beta^- \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Fission nucléaire",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 6,
"question_title": "Quel est le noyau fils après une désintégration \\\\( \\\\beta^- \\\\) du phosphore \\\\( ^{32}_{15}\\\\mathrm{P} \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration \\\\( \\\\beta^- \\\\), le numéro atomique augmente de 1 : \\\\( 15 + 1 = 16 \\\\). Le noyau fils est \\\\( ^{32}_{16}\\\\mathrm{S} \\\\).",
"answers": [
{
"answer_title": "\\\\( ^{32}_{16}\\\\mathrm{S} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( ^{32}_{14}\\\\mathrm{Si} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( ^{31}_{15}\\\\mathrm{P} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( ^{32}_{15}\\\\mathrm{P} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 7,
"question_title": "Quel type de rayonnement est le plus pénétrant ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le rayonnement gamma est le plus pénétrant car il s’agit d’un rayonnement électromagnétique très énergétique.",
"answers": [
{
"answer_title": "Rayonnement gamma",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Particule alpha",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Particule \\\\( \\\\beta^- \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Rayonnement infrarouge",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 8,
"question_title": "Lors d’une désintégration \\\\( \\\\beta^+ \\\\) du sodium \\\\( ^{22}_{11}\\\\mathrm{Na} \\\\), quel est le noyau fils ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration \\\\( \\\\beta^+ \\\\), le numéro atomique diminue de 1 : \\\\( 11 - 1 = 10 \\\\). Le noyau fils est \\\\( ^{22}_{10}\\\\mathrm{Ne} \\\\).",
"answers": [
{
"answer_title": "\\\\( ^{22}_{10}\\\\mathrm{Ne} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( ^{22}_{12}\\\\mathrm{Mg} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( ^{21}_{11}\\\\mathrm{Na} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( ^{22}_{11}\\\\mathrm{Na} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 9,
"question_title": "Quelle est la composition d’une particule alpha ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Une particule alpha est un noyau d’hélium composé de 2 protons et 2 neutrons.",
"answers": [
{
"answer_title": "2 protons et 2 neutrons",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "1 proton et 1 neutron",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "2 électrons",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "1 neutron et 2 électrons",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 10,
"question_title": "Quel est le changement du nombre de masse lors d’une désintégration \\\\( \\\\beta^- \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Lors d’une désintégration \\\\( \\\\beta^- \\\\), le nombre de masse reste inchangé.",
"answers": [
{
"answer_title": "Aucun changement",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Il diminue de 1",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Il augmente de 1",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Il diminue de 4",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 11,
"question_title": "Quel est le noyau fils après une désintégration alpha de l’uranium \\\\( ^{238}_{92}\\\\mathrm{U} \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration alpha, \\\\( A = 238 - 4 = 234 \\\\) et \\\\( Z = 92 - 2 = 90 \\\\). Le noyau fils est \\\\( ^{234}_{90}\\\\mathrm{Th} \\\\).",
"answers": [
{
"answer_title": "\\\\( ^{234}_{90}\\\\mathrm{Th} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( ^{238}_{90}\\\\mathrm{Th} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( ^{234}_{92}\\\\mathrm{U} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( ^{236}_{90}\\\\mathrm{Th} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 12,
"question_title": "Quel est le symbole du rayonnement gamma ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le symbole du rayonnement gamma est \\\\( \\\\gamma \\\\).",
"answers": [
{
"answer_title": "\\\\( \\\\gamma \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( \\\\alpha \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( \\\\beta \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( \\\\delta \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 13,
"question_title": "Quel est le noyau fils après une désintégration \\\\( \\\\beta^- \\\\) du carbone \\\\( ^{14}_{6}\\\\mathrm{C} \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration \\\\( \\\\beta^- \\\\), le numéro atomique augmente de 1 : \\\\( 6 + 1 = 7 \\\\). Le noyau fils est \\\\( ^{14}_{7}\\\\mathrm{N} \\\\).",
"answers": [
{
"answer_title": "\\\\( ^{14}_{7}\\\\mathrm{N} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( ^{14}_{5}\\\\mathrm{B} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( ^{13}_{6}\\\\mathrm{C} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( ^{14}_{6}\\\\mathrm{C} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 14,
"question_title": "Lors d’une désintégration alpha, que devient le nombre de masse du noyau ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration alpha, le noyau perd 2 protons et 2 neutrons, donc le nombre de masse diminue de 4.",
"answers": [
{
"answer_title": "Il diminue de 4",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Il reste inchangé",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Il augmente de 2",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Il diminue de 2",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 15,
"question_title": "Quel est le noyau fils après une désintégration \\\\( \\\\beta^+ \\\\) du potassium \\\\( ^{40}_{19}\\\\mathrm{K} \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration \\\\( \\\\beta^+ \\\\), le numéro atomique diminue de 1 : \\\\( 19 - 1 = 18 \\\\). Le noyau fils est \\\\( ^{40}_{18}\\\\mathrm{Ar} \\\\).",
"answers": [
{
"answer_title": "\\\\( ^{40}_{18}\\\\mathrm{Ar} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( ^{40}_{20}\\\\mathrm{Ca} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( ^{39}_{19}\\\\mathrm{K} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( ^{40}_{19}\\\\mathrm{K} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 16,
"question_title": "Quelle particule accompagne toujours une désintégration \\\\( \\\\beta^- \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La désintégration \\\\( \\\\beta^- \\\\) s’accompagne toujours de l’émission d’un antineutrino \\\\( \\\\bar{\\\\nu}_e \\\\).",
"answers": [
{
"answer_title": "Un antineutrino \\\\( \\\\bar{\\\\nu}_e \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Un neutrino \\\\( \\\\nu_e \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Un photon",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Un neutron",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 17,
"question_title": "Quel est le noyau fils après une désintégration alpha du thorium \\\\( ^{232}_{90}\\\\mathrm{Th} \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration alpha, \\\\( A = 232 - 4 = 228 \\\\) et \\\\( Z = 90 - 2 = 88 \\\\). Le noyau fils est \\\\( ^{228}_{88}\\\\mathrm{Ra} \\\\).",
"answers": [
{
"answer_title": "\\\\( ^{228}_{88}\\\\mathrm{Ra} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( ^{232}_{88}\\\\mathrm{Ra} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( ^{228}_{90}\\\\mathrm{Th} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( ^{230}_{88}\\\\mathrm{Ra} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 18,
"question_title": "Quel est le noyau fils après une désintégration \\\\( \\\\beta^- \\\\) de l’iode \\\\( ^{131}_{53}\\\\mathrm{I} \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration \\\\( \\\\beta^- \\\\), le numéro atomique augmente de 1 : \\\\( 53 + 1 = 54 \\\\). Le noyau fils est \\\\( ^{131}_{54}\\\\mathrm{Xe} \\\\).",
"answers": [
{
"answer_title": "\\\\( ^{131}_{54}\\\\mathrm{Xe} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( ^{131}_{52}\\\\mathrm{Te} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( ^{130}_{53}\\\\mathrm{I} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( ^{131}_{53}\\\\mathrm{I} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 19,
"question_title": "Lors d’une émission gamma, que change dans le noyau ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "L’émission gamma correspond à la désexcitation du noyau sans changement de nombre de masse ni de numéro atomique.",
"answers": [
{
"answer_title": "L’état d’excitation",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Le nombre de masse",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Le numéro atomique",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Le nombre de neutrons",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 20,
"question_title": "Quel est le noyau fils après une désintégration \\\\( \\\\beta^- \\\\) du cobalt \\\\( ^{60}_{27}\\\\mathrm{Co} \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "En désintégration \\\\( \\\\beta^- \\\\), le numéro atomique augmente de 1 : \\\\( 27 + 1 = 28 \\\\). Le noyau fils est \\\\( ^{60}_{28}\\\\mathrm{Ni} \\\\).",
"answers": [
{
"answer_title": "\\\\( ^{60}_{28}\\\\mathrm{Ni} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( ^{60}_{26}\\\\mathrm{Fe} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( ^{59}_{27}\\\\mathrm{Co} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( ^{60}_{27}\\\\mathrm{Co} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
}
]
}