Loud music produced by beating wooden drum is an example of
Correct answer: A. Beats.
- A. Beats.
- B. Free vibrations.
- C. Forced vibrations.
- D. Damped oscillations.
Explanation
The correct answer is beats. When a wooden drum is beaten, it produces sound waves that can slightly differ in frequency, leading to the phenomenon of beats. This results in a fluctuating sound intensity, which is characteristic of the loud music described. The other options are incorrect because they describe different types of vibrations not associated with the interference pattern and fluctuating volume characteristic of beats.
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About Superposition and Interference
Superposition states that overlapping waves produce a resultant displacement equal to the algebraic sum of their individual displacements. Interference covers constructive and destructive interference, phase difference, path difference, coherent sources, and conditions for maxima and minima. It differs from diffraction, which involves spreading around openings or obstacles.
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