Advertisements
Advertisements
Question
In what respect does waveforms of noise and a musical note differ. Draw diagrams to illustrate your answer.
Advertisements
Solution
The waveform of noise is irregular, discontinuous, and non-periodic while the waveform of a musical note is regular, continuous, and periodic.
These waveforms are shown in the figure given below:
RELATED QUESTIONS
Name the characteristic of sound in relation to its waveform.
Define amplitude term in relation to a wave.
A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which changes.
State two factors on which the speed of a wave travelling in a medium depends.
What are mechanical waves?
Define the term Frequency (as applied to sound waves)
What are fishing boats?
Why is an echo not heard when the distance between the source of sound and reflection body is less than 10 m?
Draw a diagram representing a wave of amplitude 4 cm and wavelength 2 m. If the frequency of the wave is 150 Hz, calculate its velocity.
Explain reflection at the boundary of a rarer medium.
