NCERT · Class 12 · Physics · Electromagnetic WavesWhat is the source of an electromagnetic wave?
Step-by-Step Solution
An accelerated charge radiates electromagnetic waves because an acceleration creates a changing electric field, which in turn produces a changing magnetic field, sustaining the wave propagation.
Detailed Options Breakdown
Option : A stationary charge
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Waves.
Option 1: A charge moving with a uniform velocity
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Waves.
Option 2: An accelerated charge (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: A neutral particle at rest
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Waves.
💡 Study Guide: This question tests core syllabus concepts from Electromagnetic Waves. For formulas, key summaries, and mock exam reference guides, read the full Electromagnetic Waves Revision Notes.