Advertisements
Advertisements
प्रश्न
What do you mean by sound ranging?
एक पंक्ति में उत्तर
Advertisements
उत्तर
The process of detecting obstacles by sending ultrasonic waves and hearing the echo is called sound ranging.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Name the type of waves produced when a tuning fork is struck in air.
Explain the terms 'compressions' and 'rarefactions' of a wave. What type of waves consist of compressions and rarefactions.
Fig. shows three ways in which a string of length l in an instrument can vibrate.
 |
 |
 |
| (i) | (ii) | (iii) |
- Which of the diagram shows the principle note?
- Which vibration has the frequency four times that of the first?
- Which vibration is of the longest wavelength?
- What is the ratio of the frequency of the vibration in (i) and (ii)?
Sound waves travel very fast in
Lightning can be seen the moment it occurs. Paheli observes lightning in her area. She hears the sound 5 s after she observed lightning. How far is she from the place where lightning occurs? (speed of sound = 330 m/s).
Sound cannot travel through ______.
Write any two uses of ultrasonic sound.
Explain the types of mechanical waves.
The speed of sound in air at 0°C is ______.
Find the odd one out.
