Matching EM Waves with Their Production – Rankers Physics
Topic: Electromagnetic Waves
Subtopic: Properties of EM Waves

Matching EM Waves with Their Production

Match column I with column II.
| Column-I (Types of EM waves) | Column-II (Production) |
| A. Infra-red | P. Rapid vibration of electrons in aerials |
| B. Radio | Q. Electrons in atoms emit light when they move from higher to lower energy level. |
| C. Light | R. Klystron valve |
| D. Microwave | S. Vibration of atoms and molecules |
Choose the correct match from the options given below:
A-P, B-R, C-S, D-Q
A-S, B-P, C-Q, D-R
A-Q, B-P, C-S, D-R
A-S, B-R, C-P, D-Q

Solution:

Infrared waves are produced by molecular vibrations (A-S). Radio waves by accelerating charges in aerials (B-P). Light waves by atomic transitions (C-Q). Microwaves by klystron/magnetron valves (D-R).

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