11:I[44673,["972","static/chunks/972-4911257c7f5ec8ac.js","147","static/chunks/app/practice/%5Blevel%5D/%5Bsubject%5D/%5Bchapter%5D/page-ec3e41c36c676efe.js"],"MarketingHeader"] 10:T702,{"@context":"https://schema.org","@graph":[{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.xambaaz.com"},{"@type":"ListItem","position":2,"name":"Practice","item":"https://www.xambaaz.com/practice"},{"@type":"ListItem","position":3,"name":"Class 12 Physics","item":"https://www.xambaaz.com/practice/class-12/physics"},{"@type":"ListItem","position":4,"name":"Chapter 8: Electromagnetic Waves","item":"https://www.xambaaz.com/practice/class-12/physics/electromagnetic-waves"}]},{"@type":"Quiz","name":"Class 12 Physics — Electromagnetic Waves MCQ Practice","about":{"@type":"Thing","name":"Physics: Electromagnetic Waves"},"educationalLevel":"Class 12","hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","text":"Speed of EM waves in vacuum:","suggestedAnswer":[{"@type":"Answer","text":"3 × 10⁸ m/s"},{"@type":"Answer","text":"3 × 10⁶ m/s"},{"@type":"Answer","text":"10⁸ m/s"},{"@type":"Answer","text":"10¹⁰ m/s"}],"acceptedAnswer":{"@type":"Answer","text":"3 × 10⁸ m/s"}},{"@type":"Question","eduQuestionType":"Multiple choice","text":"Increasing frequency order:","suggestedAnswer":[{"@type":"Answer","text":"Radio < Microwave < IR < Visible < UV < X-ray < γ"},{"@type":"Answer","text":"γ < X-ray"},{"@type":"Answer","text":"Visible < Radio"},{"@type":"Answer","text":"All same"}],"acceptedAnswer":{"@type":"Answer","text":"Radio < Microwave < IR < Visible < UV < X-ray < γ"}},{"@type":"Question","eduQuestionType":"Multiple choice","text":"EM waves were predicted by:","suggestedAnswer":[{"@type":"Answer","text":"Maxwell"},{"@type":"Answer","text":"Newton"},{"@type":"Answer","text":"Einstein"},{"@type":"Answer","text":"Hertz only"}],"acceptedAnswer":{"@type":"Answer","text":"Maxwell"}}]}]}

Class 12 Physics — Chapter 8: Electromagnetic Waves

Sample questions

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