{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2026-05-05T08:26:58.138Z","dateModified":"2026-05-05T08:26:58.138Z","typicalAgeRange":"11-18","educationalLevel":"COMEDK UGET","assesses":"Physics - band theory of solids","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"band theory of solids"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Physics"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"COMEDK UGET"}],"name":"Quiz about band theory of solids","about":{"@type":"Thing","name":"Physics - band theory of solids"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About band theory of solids","text":"Diamond is considered as an insulator because}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"Large band gap \\( \\Rightarrow \\) insulator, small gap \\( \\Rightarrow \\) semiconductor."},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

Diamond has very large forbidden energy gap.

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Valance band and conduction band of diamond are overlapping.

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":2,"encodingFormat":"text/markdown","text":"

In the diamond the carbon atoms are held by weak covalent bonds

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Refractive index of diamond is very low

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Diamond has very large forbidden energy gap.

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Diamond is considered as an insulator because

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