Sound Test - 61...

On a slinky, which of the following is produced?

Longitudinal waves cannot travel through

The velocity of sound is highest in

The persistence of sound in a closed enclosure, due to continuous reflections at the walls, even after the source has stopped producing sound is known as

Which of the following is independent of the remaining three for a sound wave?

The grandparents and parents of a two-year-old girl are playing with her in a room. A sound source produces a $$28\ kHz$$ sound. Who in the room is most likely to hear the sound?

Which of the following characteristics of sound will change if there is a change in its waveform ?

All waves can be classified into two categories which are

In echo cardiography (ECG) the frequency of the sound waves used is

A sound wave is generated by the howl of a wolf in the night. How would we describe the motion of a particular air molecule near the ground, a mile away from the wolf, on average (i.e. ignoring the random wandering of gas molecules)?