The correct answer is (a) sound will be louder but pitch will not be different. Loudness depends on the amplitude of vibration, which increases when the key is struck harder. However, pitch depends on frequency, which remains unchanged as it ...
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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 ...