// Numbas version: exam_results_page_options
{"name": "3230 Unit One Core Exercises 2022", "metadata": {"description": "", "licence": "None specified"}, "duration": 0, "percentPass": 0, "showQuestionGroupNames": false, "shuffleQuestionGroups": false, "showstudentname": true, "question_groups": [{"name": "Group", "pickingStrategy": "all-ordered", "pickQuestions": 1, "questionNames": ["", "", "", "", ""], "variable_overrides": [[], [], [], [], []], "questions": [{"name": "3230 Core Exercises Question One", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Suzanne Imber", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/638/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>Assuming LS coupling, determine the possible states (term symbols) of an atom with two optical</p>\n<p>electrons in the configuration 2p<sup>1</sup>3p<sup>1</sup></p>\n<p>Wrong answers will earn negative marks.</p>", "advice": "", "rulesets": {}, "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": true, "displayType": "checkbox", "displayColumns": 0, "minAnswers": 0, "maxAnswers": 0, "warningType": "none", "showCellAnswerState": true, "choices": ["<sup>1</sup>S<sub>0</sub>", "<sup>3</sup>S<sub>1</sub>", "<sup>1</sup>P<sub>1</sub>", "<sup>3</sup>P<sub>0</sub>", "<sup>3</sup>P<sub>1</sub>", "<sup>3</sup>P<sub>2</sub>", "<sup>1</sup>D<sub>2</sub>", "<sup>3</sup>D<sub>1</sub>", "<sup>3</sup>D<sub>2</sub>", "<sup>3</sup>D<sub>3</sub>", "<sup>1</sup>D<sub>1</sub>", "<sup>1</sup>D<sub>0</sub>", "<sup>3</sup>D<sub>0</sub>", "<sup>1</sup>P<sub>0</sub>", "<sup>3</sup>S<sub>0</sub>", "<sup>2</sup>S<sub>0</sub>", "<sup>3</sup>F<sub>1</sub>", "<sup>3</sup>F<span style=\"font-size: 11.666666030883789px;\">2</span>", "<sup>3</sup>F<sub>3</sub>", "<sup>0</sup>S<sub>0</sub>", "<sup>0</sup>P<sub>0</sub>", "<sup>1</sup>P<sub>2</sub>", "<sup>0</sup>D<sub>2</sub>", "<sup>1</sup>D<sub>1</sub>", "<sup>1</sup>D<sub>3</sub>"], "matrix": ["1", "1", "1", "1", "1", "1", "1", "1", "1", "1", "-1", "-1", "-1", "-1", "-1", "-1", "-1", "-1", "-1", "-1", "-1", "-1", "-1", "-1", "-1"], "distractors": ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "3230 Core Exercises Question Two", "extensions": [], "custom_part_types": [], "resources": [["question-resources/seminar_fig_a.pdf", "/srv/numbas/media/question-resources/seminar_fig_a.pdf"], ["question-resources/seminar_fig_b.pdf", "/srv/numbas/media/question-resources/seminar_fig_b.pdf"], ["question-resources/seminar_fig_c.pdf", "/srv/numbas/media/question-resources/seminar_fig_c.pdf"], ["question-resources/seminar_fig_d.pdf", "/srv/numbas/media/question-resources/seminar_fig_d.pdf"], ["question-resources/seminar_fig_e.pdf", "/srv/numbas/media/question-resources/seminar_fig_e.pdf"], ["question-resources/seminar_fig_a.jpg", "/srv/numbas/media/question-resources/seminar_fig_a.jpg"], ["question-resources/seminar_fig_b.jpg", "/srv/numbas/media/question-resources/seminar_fig_b.jpg"], ["question-resources/seminar_fig_d.jpg", "/srv/numbas/media/question-resources/seminar_fig_d.jpg"], ["question-resources/seminar_fig_e.jpg", "/srv/numbas/media/question-resources/seminar_fig_e.jpg"], ["question-resources/seminar_fig_c.jpg", "/srv/numbas/media/question-resources/seminar_fig_c.jpg"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Suzanne Imber", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/638/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>For each of the Grotrian diagrams below, determine whether the labelled transitions are allowed, and if not, choose which of the transition rules have been violated. &nbsp;Spin-orbit coupling&nbsp;is not considered in this question.</p>", "advice": "", "rulesets": {}, "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p><img src=\"resources/question-resources/seminar_fig_a.jpg\"/></p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "checkbox", "displayColumns": 0, "minAnswers": 0, "maxAnswers": 0, "warningType": "none", "showCellAnswerState": true, "choices": ["All transition are correct", "<p>&Delta;L = &plusmn;1 and 0 if &Delta;l = &plusmn;1<span class=\"Apple-converted-space\">&nbsp;</span></p>", "<p>&Delta;mJ =0, &plusmn;1 (not 0 to 0 if &Delta;J= 0)</p>", "<p>&Delta;J= 0,&plusmn;1 (not 0 to 0)<span class=\"Apple-converted-space\">&nbsp;</span></p>", "<p>&Delta;S= 0<span class=\"Apple-converted-space\">&nbsp;</span></p>"], "matrix": [0, "1", 0, 0, 0], "distractors": ["", "", "", "", ""]}, {"type": "m_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p><img src=\"resources/question-resources/seminar_fig_b.jpg\"/></p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "checkbox", "displayColumns": 0, "minAnswers": 0, "maxAnswers": 0, "warningType": "none", "showCellAnswerState": true, "choices": ["All transition are correct", "<p>&Delta;L = &plusmn;1 and 0 if &Delta;l = &plusmn;1<span class=\"Apple-converted-space\">&nbsp;</span></p>", "<p>&Delta;mJ =0, &plusmn;1 (not 0 to 0 if &Delta;J= 0)</p>", "<p>&Delta;J= 0,&plusmn;1 (not 0 to 0)<span class=\"Apple-converted-space\">&nbsp;</span></p>", "<p>&Delta;S= 0<span class=\"Apple-converted-space\">&nbsp;</span></p>"], "matrix": [0, "0", 0, 0, "1"], "distractors": ["", "", "", "", ""]}, {"type": "m_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p><img src=\"resources/question-resources/seminar_fig_d.jpg\"/></p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "checkbox", "displayColumns": 0, "minAnswers": 0, "maxAnswers": 0, "warningType": "none", "showCellAnswerState": true, "choices": ["All transition are correct", "<p>&Delta;L = &plusmn;1 and 0 if &Delta;l = &plusmn;1<span class=\"Apple-converted-space\">&nbsp;</span></p>", "<p>&Delta;mJ =0, &plusmn;1 (not 0 to 0 if &Delta;J= 0)</p>", "<p>&Delta;J= 0,&plusmn;1 (not 0 to 0)<span class=\"Apple-converted-space\">&nbsp;</span></p>", "<p>&Delta;S= 0<span class=\"Apple-converted-space\">&nbsp;</span></p>"], "matrix": [0, "1", 0, 0, "0"], "distractors": ["", "", "", "", ""]}, {"type": "m_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p><img src=\"resources/question-resources/seminar_fig_e.jpg\"/></p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "checkbox", "displayColumns": 0, "minAnswers": 0, "maxAnswers": 0, "warningType": "none", "showCellAnswerState": true, "choices": ["All transition are correct", "<p>&Delta;L = &plusmn;1 and 0 if &Delta;l = &plusmn;1<span class=\"Apple-converted-space\">&nbsp;</span></p>", "<p>&Delta;mJ =0, &plusmn;1 (not 0 to 0 if &Delta;J= 0)</p>", "<p>&Delta;J= 0,&plusmn;1 (not 0 to 0)<span class=\"Apple-converted-space\">&nbsp;</span></p>", "<p>&Delta;S= 0<span class=\"Apple-converted-space\">&nbsp;</span></p>"], "matrix": ["1", "0", 0, 0, "0"], "distractors": ["", "", "", "", ""]}, {"type": "m_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p><img src=\"resources/question-resources/seminar_fig_c.jpg\"/></p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "checkbox", "displayColumns": 0, "minAnswers": 0, "maxAnswers": 0, "warningType": "none", "showCellAnswerState": true, "choices": ["All transition are correct", "<p>&Delta;L = &plusmn;1 and 0 if &Delta;l = &plusmn;1<span class=\"Apple-converted-space\">&nbsp;</span></p>", "<p>&Delta;mJ =0, &plusmn;1 (not 0 to 0 if &Delta;J= 0)</p>", "<p>&Delta;J= 0,&plusmn;1 (not 0 to 0)<span class=\"Apple-converted-space\">&nbsp;</span></p>", "<p>&Delta;S= 0<span class=\"Apple-converted-space\">&nbsp;</span></p>"], "matrix": [0, "1", 0, 0, "1"], "distractors": ["", "", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "3230 Core Exercises Question Three", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Suzanne Imber", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/638/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>Starting with the basic grotrian diagram in Figure 1.1, add arrows to show the allowed&nbsp;transitions up to n=3 (ignore lines&nbsp;starting at the n=4 level), and add in the spin-orbit&nbsp;splitting of the energy levels.</p>\n<p>Next, apply the transition rules to&nbsp;determine the number of allowed transitions between the following states (Hint: not the number of emission lines, the number of allowed transitions).</p>", "advice": "", "rulesets": {}, "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": false, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>2 <sup>1</sup>P --&gt; 1 <sup>1</sup>S</p>", "minValue": "1", "maxValue": "1", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": false, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>3 <sup>1</sup>S --&gt; 2 <sup>1</sup>P</p>", "minValue": "1", "maxValue": "1", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": false, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>3 <sup>1</sup>D --&gt; 2 <sup>1</sup>P</p>", "minValue": "1", "maxValue": "1", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "numberentry", "useCustomName": false, "customName": "", "marks": "2", "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": false, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>3 <sup>3</sup>S --&gt; 2 <sup>3</sup>P</p>", "minValue": "3", "maxValue": "3", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "numberentry", "useCustomName": false, "customName": "", "marks": "2", "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": false, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>3 <sup>3</sup>P --&gt; 2 <sup>3</sup>S</p>", "minValue": "3", "maxValue": "3", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "numberentry", "useCustomName": false, "customName": "", "marks": "2", "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": false, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>3 <sup>3</sup>D --&gt; 2 <sup>3</sup>P</p>", "minValue": "6", "maxValue": "6", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "3230 Core Exercises Question 4", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Suzanne Imber", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/638/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>One of the n=5 states of hydrogen is split by spin-orbit coupling into two levels with an energy&nbsp;difference of 0.0039 cm<sup>-1</sup>. (An energy can be obtained by multiplying cm<sup>-1</sup> by <i>hc)</i></p>", "advice": "", "rulesets": {}, "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>The l quantum number for this state is&nbsp;[[0]]</p>", "gaps": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": "10", "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "3", "maxValue": "3", "correctAnswerFraction": false, "allowFractions": true, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": false, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "sortAnswers": false}, {"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Predict the analogous&nbsp;splitting for Li<sup>2+</sup> (the fine-structure constant $\\alpha$ = 0.0072973)</p>\n<p>Energy difference = [[0]] cm<sup>-1</sup></p>", "gaps": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": "3", "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minValue": "0.31", "maxValue": "0.32", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "sortAnswers": false}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "3230 Core Exercises Question Five", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Suzanne Imber", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/638/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>A spectral line at 330.23 nm in the spectrum of a particular atom corresponds to a 4p (<sup>2</sup>P<sub>3/2</sub>) to&nbsp;3s (<sup>2</sup>S<sub>1/2</sub>)&nbsp;transition. Determine the wavelengths of the various components which appear when the&nbsp;lines split by a magnetic field of 1 Tesla. &nbsp;Warning: wrong answers will give you negative marks!</p>\n<p>Bohr magneton $\\mu_s$=9.273 X 10<sup>-24</sup> J T<sup>-1</sup></p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": false, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": "12", "shuffleChoices": true, "displayType": "checkbox", "displayColumns": 0, "minAnswers": 0, "maxAnswers": 0, "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", "choices": ["0.0085 nm", "-0.0085 nm", "-0.0017 nm", "0.0017 nm", "0.0051 nm", "-0.0051 nm", "0.0012 nm", "-0.0012 nm", "0.0065 nm", "-0.0065 nm", "0.0043 nm", "-0.0043 nm"], "matrix": ["2", "2", "2", "2", "2", "2", "-2", "-2", "-2", "-2", "-2", "-2"], "distractors": ["", "", "", "", "", "", "", "", "", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}]}], "allowPrinting": true, "navigation": {"allowregen": false, "reverse": true, "browse": true, "allowsteps": true, "showfrontpage": false, "showresultspage": "review", "navigatemode": "sequence", "onleave": {"action": "none", "message": ""}, "preventleave": true, "startpassword": ""}, "timing": {"allowPause": true, "timeout": {"action": "none", "message": ""}, "timedwarning": {"action": "none", "message": ""}}, "feedback": {"showactualmark": false, "showtotalmark": true, "showanswerstate": false, "allowrevealanswer": false, "advicethreshold": 0, "intro": "", "reviewshowscore": true, "reviewshowfeedback": true, "reviewshowexpectedanswer": true, "reviewshowadvice": true, "feedbackmessages": []}, "diagnostic": {"knowledge_graph": {"topics": [], "learning_objectives": []}, "script": "diagnosys", "customScript": ""}, "contributors": [{"name": "Suzanne Imber", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/638/"}], "extensions": [], "custom_part_types": [], "resources": [["question-resources/seminar_fig_a.pdf", "/srv/numbas/media/question-resources/seminar_fig_a.pdf"], ["question-resources/seminar_fig_b.pdf", "/srv/numbas/media/question-resources/seminar_fig_b.pdf"], ["question-resources/seminar_fig_c.pdf", "/srv/numbas/media/question-resources/seminar_fig_c.pdf"], ["question-resources/seminar_fig_d.pdf", "/srv/numbas/media/question-resources/seminar_fig_d.pdf"], ["question-resources/seminar_fig_e.pdf", "/srv/numbas/media/question-resources/seminar_fig_e.pdf"], ["question-resources/seminar_fig_a.jpg", "/srv/numbas/media/question-resources/seminar_fig_a.jpg"], ["question-resources/seminar_fig_b.jpg", "/srv/numbas/media/question-resources/seminar_fig_b.jpg"], ["question-resources/seminar_fig_d.jpg", "/srv/numbas/media/question-resources/seminar_fig_d.jpg"], ["question-resources/seminar_fig_e.jpg", "/srv/numbas/media/question-resources/seminar_fig_e.jpg"], ["question-resources/seminar_fig_c.jpg", "/srv/numbas/media/question-resources/seminar_fig_c.jpg"]]}