Advertisements
Advertisements
प्रश्न
State two factors on which the speed of a wave travelling in a medium depends.
Advertisements
उत्तर
The density and elasticity of a medium determine a longitudinal wave's speed in that medium. `(i.e. V = sqrt(E//d))`
APPEARS IN
संबंधित प्रश्न
How is the frequency of a stretched string related it’s tension?
The displacement distance graph of two sound waves A and B, travelling in a medium, are as shown in the diagram below.
Study the two sound waves and compare their:
- Amplitudes
- Wavelengths
State the use of echo by a bat, dolphin and fisherman.
Draw a labelled diagram to show the multiple reflections of sound in a part of the stethoscope tube.
Explain how the principle of echo is used by the bat during its flight at night.
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey
Write the approximate value of the speed of sound in air.
A radio signal, sent towards the surface of the moon, is received in 2.5 seconds. If the speed of the radio waves is 3 × 108 ms−1, find the distance of the moon from the earth.
The direction of the incident sound, the direction of reflected sound, and the normal are in different Planes.
