Sound — Set 3

In humid air compared to dry air at the same temperature, the speed of sound is generally?

For a stretched string under the same tension, a longer length generally produces?

In an open organ pipe, the displacement at both ends is typically?

In a pipe closed at one end, the displacement pattern at the ends is typically?

Standing waves are formed mainly by?

In a standing wave, a node is a point where?

Resonance in musical instruments is useful because it?

Sound in liquids and gases cannot be polarized mainly because it is?

When a sound wave enters a different medium, which quantity usually remains unchanged?

If the speed of sound increases while frequency stays the same, the wavelength will?