Home/
Competitive Exams/
JEE Main & Advanced/
Physics/
Sound Waves/
Question 31234
JEE Physics · Hard

Sound Waves: Beats MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
BeatsHardQuestion 31234

Question

Number of beats heard per second when two musical notes of 256 Hz and 260 Hz are played together on a piano:
  1. A
    4
    Correct
  2. B
    516
  3. C
    2
  4. D
    128

Correct answer

4

Explanation

Beat frequency = |260 − 256| = 4 Hz = 4 beats per second.

Review Sound Waves notesStart timed chapter practice