WAEC Physics 2017 Objective — Question 31
Question 31 of 50 from the West African Examinations Council (WAEC) Physics 2017 Objective paper, with the correct answer and a full explanation.
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Which of the following electromagnetic waves has the longest wavelength?
- A. A. Radio wavesCorrect
- B. B. Gamma rays
- C. C. Infrared waves
- D. D. Ultraviolet rays
Explanation
Radio waves have the longest wavelength and lowest frequency among electromagnetic waves.
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