NEET Physics Properties of EM Waves MCQ Question
Which of the following statements about electromagnetic waves is correct?
Electromagnetic waves can only be produced by stationary charges.
Displacement current is due to time-varying electric fields and acts as a source of magnetic field.
Electromagnetic waves travel at varying speeds depending on their wavelength.
Maxwell's equations do not relate electricity and magnetism to light.
Correct Answer
Detailed Explanation
Displacement current, as suggested by Maxwell, is indeed due to time-varying electric fields and acts as a source of magnetic fields, which is a key concept in understanding electromagnetic waves.
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