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O Level Physics MCQs – Certification Test 653

Electromagnetic Waves Trivia (Question 653) – Study App & e-Book Download

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MCQ: 653

When the medium of electromagnetic waves changes from air to water, their speed

  1. increases
  2. remains same
  3. decreases
  4. may increase or decrease

Electromagnetic Waves Placement Tests – O Level Physics App & e-Book Trivia

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Electromagnetic Waves Trivia App (iOS & Android)

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O Level Physics Trivia App (Android & iOS)

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