Advertisements
Advertisements
प्रश्न
Define the term wave velocity. Write its S.I. unit.
Advertisements
उत्तर
The distance travelled by a wave in one second is called its wave velocity.
Its SI unit is metre per second (ms-1).
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Loudness depends on frequency.
How does the loudness of sound produced depend on the vibrating area of the body ?
What type of waves are illustrated by the movement of a rope whose one end is fixed to a pole and the other end is moved up and down?
Before playing the orchestra in a musical concert, a sitarist tries to adjust the tension and pluck the strings suitably. By doing so he is adjusting :
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)?
What do you mean by the term frequency of a wave? State its S.I. unit.
Complete the following sentences :
Sound cannot travel through __________, but it requires a ___________.
Rapid back and forth motion of a particle about its mean position is called _____.
Suppose that a sound wave and a light wave have the same frequency, then which one has a longer wavelength?
