counting wavelengths\nhow many complete wavelengths are present in the sound wave shown?\no 1\no 2\no 4\no 6

counting wavelengths\nhow many complete wavelengths are present in the sound wave shown?\no 1\no 2\no 4\no 6

counting wavelengths\nhow many complete wavelengths are present in the sound wave shown?\no 1\no 2\no 4\no 6

Answer

Explanation:

Step1: Define a wavelength

A wavelength is the distance between two consecutive points in phase (e.g., two crests or two troughs) on a wave.

Step2: Count wavelengths

By visually inspecting the sound - wave shown, we can count the number of complete cycles. Each cycle represents one wavelength. Counting the cycles, we find there are 6 complete wavelengths.

Answer:

6