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Electromagnetic Waves
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PhysicsElectromagnetic Waves
Match List I (Electromagnetic wave) with List II (Production). List I: A. Microwave, B. Visible light, C. Gamma rays, D. Infra-red rays. List II: I. Electrons in atoms emitting light when they move from a higher to a lower energy level, II. Radioactive decay of the nucleus, III. Vibration of atoms and molecules, IV. Klystron valve or magnetron valve. Choose the correct answer:
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