Advertisements
Advertisements
प्रश्न
In what respect does waveforms of noise and a musical note differ. Draw diagrams to illustrate your answer.
Advertisements
उत्तर
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:

संबंधित प्रश्न
A wire of length 80 cm has a frequency of 256 Hz. Calculate the length of a similar wire under similar tension, which will have frequency 1024 Hz
What is the condition necessary for an echo to be heard distinctly?
Name two sound absorbing materials (or objects) which can make our big room less echoey.
What is a megaphone ? Name the principle on which a megaphone works.
What is a soundboard ? Explain the working of a soundboard with the help of a labelled diagram.
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
Explain Reflection at curved surfaces.
Match the following:
| 1. | Stethoscope | a. | Repeated reflections |
| 2. | Echogram | b. | Multiple reflections |
| 3. | SONAR | c. | Ultrasonic waves |
| 4. | Reverberation | d. | Speed of underwater objects |
