WAEC Physics 2013 Objective — Question 31
Question 31 of 50 from the West African Examinations Council (WAEC) Physics 2013 Objective paper, with the correct answer and a full explanation.
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Which of the following radiations has its frequency lower than that of infra-red radiation?
- A. Ultra-violet rays
- B. Gamma rays
- C. X-rays
- D. Radio wavesCorrect
Explanation
In the electromagnetic spectrum, radio waves have the lowest frequency, lower than infra-red.
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