WAEC Physics 2012 Objective — Question 34
Question 34 of 50 from the West African Examinations Council (WAEC) Physics 2012 Objective paper, with the correct answer and a full explanation.
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Which of the following statements about electromagnetic waves is correct?
- A. A. Radio waves have longer frequencies than X-rays
- B. B. X-rays have the longest wavelength
- C. C. Some of the waves travel at 3.0x10^8 ms⁻¹Correct
- D. D. White light occupies a region beyond ultraviolet rays
Explanation
All electromagnetic waves, including radio waves and light, travel at the speed of light (3.0x10^8 ms⁻¹) in a vacuum.
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