{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2026-04-24T06:37:06.588Z","dateModified":"2026-04-24T06:59:07.118Z","typicalAgeRange":"11-18","educationalLevel":"KEAM","assesses":"Physics - laws in physics","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"laws in physics"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Physics"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"KEAM"}],"name":"Quiz about laws in physics","about":{"@type":"Thing","name":"Physics - laws in physics"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About laws in physics","text":"Which one of the following statements is CORRECT?}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"Non-polar → no separation of charge centres."},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

The molecules of air are non-polar.

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

In a polar molecule, centres of positive and negative charges coincide.

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

A molecule of water is an example of a non-polar molecule.

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

Dielectrics are conducting substances.

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":4,"encodingFormat":"text/markdown","text":"

In a non-polar molecule, centres of positive and negative charges coincide.
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","comment":{"@type":"Comment","text":"\"\""}}],"acceptedAnswer":{"@type":"Answer","position":4,"encodingFormat":"text/markdown","text":"

In a non-polar molecule, centres of positive and negative charges coincide.
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","comment":{"@type":"Comment","text":"Non-polar → no separation of charge centres."},"answerExplanation":{"@type":"comment","text":""}}}]}

Which one of the following statements is CORRECT?

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