Advertisements
Advertisements
Question
State two factors on which the speed of a wave travelling in a medium depends.
Advertisements
Solution
The density and elasticity of a medium determine a longitudinal wave's speed in that medium. `(i.e. V = sqrt(E//d))`
APPEARS IN
RELATED QUESTIONS
A certain sound has a frequency of 256 hertz and a wavelength of 1.3 m.
1) Calculate the speed with which this sound travels
2) What difference would be felt by a listener between the above sound and another sound traveling at the same speed, but of wavelength 2.6 m?
Define frequency term in relation to a wave.
Define wave velocity term in relation to a wave.
Name two sound absorbing materials (or objects) which can make our big room less echoey.
What are mechanical waves?
Write the approximate value of the speed of sound in air.
What is meant by echo depth sounding?
Why is an echo not heard when the distance between the source of sound and reflection body is less than 10 m?
What is mean by the reflection of sound?
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 |
