Advertisements
Advertisements
Question
Are sound waves longitudinal or transverse?
Advertisements
Solution
Sound is a longitudinal wave because the particles of the medium vibrate back and forth in the same direction in which the wave travels.
APPEARS IN
RELATED QUESTIONS
How does a man’s voice differ from a woman’s voice ?
The longitudinal waves travel in a coiled spring at a rate of 4 m/s. The distance between two consecutive compressions is 20 cm. Find :
(i) Wavelength of the wave (ii) Frequency of the wave
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)?
Arrange the speeds of sound in gases, solids, and liquids in ascending order.
On placing your ear close to an iron railing which is tapped some distance away, sound is heard twice. Explain, why?
Sound travels in the form of ______.
Draw a curve showing density or pressure variations with respect to distance for a disturbance produced by sound. Mark the position of compression and rarefaction on this curve. Also, define wavelengths and time periods using this curve.
Sound travels in the air as ______ wave.
Distinguish between compression and rarefactions.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
