What are wavelength, frequency, time period and amplitude of a sound wave ?

Explanation

To answer the question about the wavelength, frequency, time period, and amplitude of a sound wave, we can break down each term step by step:

### Step 1: Define Wavelength
- **Wavelength (λ)** is defined as the distance between two consecutive points in a wave that are in phase. In the case of sound waves, this can be the distance between two consecutive compressions or two consecutive rarefactions.
- **Unit**: The unit of wavelength is meters (m).

### Step 2: Define Frequency
- **Frequency (f)** refers to the number of oscillations or vibrations produced by the source in one second. It indicates how often the wave cycles occur in a given time period.
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