Question

The maximum displacement of the particles of a medium in which a wave is travelling is called _________ .

• A. amplitude
• B. frequency
• C. beat
• D. phase

Answer 1

The correct option is A amplitude

A wave has basically three components which is used to define all of its properties,

$\to$ Amplitude

$\to$ Wavelength/ frequency

$\to$ Phase

Amplitude of the wave is defined as the maximum displacement of the particle from its mean or initial position. For instance,

In a single or solitude wave we can see maximum displacement of the particle two times $(+k,-k)$, where k represents the maximum displacement or Amplitude.

$\therefore$ Option (A) is the correct answer.