Advertisements
Advertisements
Question
The following diagram shows three ways in which the string of an instrument can vibrate.
(a) which of the diagram shows the principal note?
(b) which has the frequency four times that of the first?
(c) what is the ratio of the frequency of the vibration in (i) and (ii)?
Advertisements
Solution
(a) (i) Diagram is showing the principal note.
(b) (iii)Diagram has frequency four times that of the first.
(c) Ratio is 1:2
RELATED QUESTIONS
How is the frequency of a stretched string related it’s tension?
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 differences between the light and sound waves.
State the use of echo by a bat, dolphin and fisherman.
Explain how the principle of echo is used by
The bat during its flight at
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
A sound wavelength of 0.332 m has a time period of 10−3 s. If the time period is decreased to 10−4 s, calculate the wavelength and frequency of the new wave.
A sound wave whose frequency is 5000 Hz travels in air and then hits the water surface. The ratio of its wavelengths in water and air is ______.
