NCERT · Class 11 · Physics · WavesWhat is the maximum number of beats per second that human ear can hear clearly?
Step-by-Step Solution
Correct Option: 10 \nDue to persistence of hearing (which lasts about $0.1\text{ s}$), human ears can distinguish beats only if the frequency difference between two sources is less than or equal to 10 Hz (i.e., maximum 10 beats per second).
Detailed Options Breakdown
Option : 10 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: 20
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Waves.
Option 2: 50
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Waves.
Option 3: 100
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Waves.
💡 Study Guide: This question tests core syllabus concepts from Waves. For formulas, key summaries, and mock exam reference guides, read the full Waves Revision Notes.