Advertisements
Advertisements
प्रश्न
Write the approximate value of the speed of sound in air.
एका वाक्यात उत्तर
उत्तर
The speed of sound in air = 340 ms−1
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
State two differences between the light and sound waves.
Name the principle on which a soundboard works.
What is the full form of SONAR?
What do you mean by wave motion?
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
State two factors on which the natural frequency of a body depends.
Explain Reflection at curved surfaces.
What is meant by an echo? Explain.
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 |
The direction of the incident sound, the direction of reflected sound, and the normal are in different Planes.
