WAEC Physics 2018 Objective — Question 48
Question 48 of 50 from the West African Examinations Council (WAEC) Physics 2018 Objective paper, with the correct answer and a full explanation.
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Which of the following radiations has the longest wavelength?
- A. Gamma ray
- B. Radio waveCorrect
- C. Infrared ray
- D. X-ray
Explanation
Radio waves have the longest wavelength in the electromagnetic spectrum among the options given.
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