Sound waves in air are
A). transverse
B). longitudinal
C). electromagnetic
D). polarised
longitudinal
Sound waves in air (and any fluid medium) are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave moves. A vibrating string can create longitudinal waves as depicted in the animation below.
1. While ascending a hill, the driver of the vehicle keeps the gear ratio
2. The density of the liquid when heated
5. Which is best used as a sound absorbing material in partition walls ?
6. Loudness of sound depends on
7. The strength of a force is usually expressed by its __________.
8. Which of the following is an example of continous emission spectrum?
9. Which one among the following is responsible for formation of 'Ozone Holes' in the stratosphere?