The correct answer is (b) quality. Even if the same notes are played on a guitar and a harmonium, they sound different due to their quality (timbre). Quality depends on the instrument’s harmonic overtones, which create a unique sound. Class ...

The correct answer is (b) frequency. Pitch is the perception of how high or low a sound is, and it depends on the frequency of the sound wave. Higher frequency results in a higher pitch, while lower frequency produces a ...

The correct answer is (c) Wavelength. Musical sound is characterized by pitch, loudness, and quality (or timbre). Wavelength is a physical property of sound waves but is not directly considered a characteristic of musical sound perception. Class 9th Science NCERT ...

The correct answer is (b) λ. In a sound wave, one full wavelength (λ) includes a complete cycle of one compression and one rarefaction. The distance from the center of one compression to the next compression is exactly one wavelength ...

The correct answer is (d) in solids, liquids as well as gases. Sound waves require a medium to propagate, as they travel by vibrating particles. They can move through solids, liquids, and gases, but not through a vacuum. Class 9th ...