Time period of a sound wave is defined as:
time between the occurrence of two peaks
time between the occurrence of two valleys
time taken by two consecutive peaks/valleys to cross a fixed point
all of the above
The time taken by the particles of the medium to complete its one vibration is called time period of the wave.
Time period of a sound wave is defined as
Wavelength of a sound wave is defined as:
Frequency of a sound wave is defined as: