Correct Answer:
Option B - The rate of movement of a wave is called wave velocity. It is represented by 'V'. If the velocity of a wave is (V) frequency (f) and wavelength (λ).
then, V = f λ
B. The rate of movement of a wave is called wave velocity. It is represented by 'V'. If the velocity of a wave is (V) frequency (f) and wavelength (λ).
then, V = f λ