What is labelled as 'A' in the diagram shown below?

In the diagram shown, which factor of the wave varies and how?

Name the phenomenon when the sound gets repeated after reflection?

Sound is produced due to ________ of the body in a _________.

Identify part 'F' in the diagram given below.

Identify part 'B' in the diagram given.

When you increase the loudness of the sound of ringtone of your mobile phone, the frequency of the ringtone (a) increases (b) decreases (c) remains the same (d) cannot be determined.

Sound will travel fastest in which of mediums fastest: Solid or Liquid or Gas?

Frequency is represented by which of the following units.

Speed of sound is __________ than speed of light.

Arrange the following waves as per their ascending amplitudes.