NEET Physics Properties of EM Waves MCQ Question
Which of the following statements about electromagnetic waves is correct?
All electromagnetic waves travel through vacuum at the same speed regardless of their frequency.
Electromagnetic waves can only be produced by charged particles in motion.
The wavelength of an electromagnetic wave is directly proportional to its frequency.
Radio waves cannot be produced by accelerating charges in a circuit.
Correct Answer
Detailed Explanation
Electromagnetic waves travel through vacuum at a constant speed, which is independent of their frequency or wavelength, as stated in the summary of properties of EM waves. Statements B and D are incorrect because electromagnetic waves can be produced by various means, including accelerating charges. Statement C is also incorrect since the wavelength is inversely proportional to frequency.
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