GED Science Practice

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What does Amplitude refer to?

  1. a. The maximum value of a wave or vibration

  2. b. Positive electrode of an electrolytic cell

  3. c. Homogenous mixture composed of two or more metals

  4. d. Having no definite form or distinct shape

The correct answer is: a. The maximum value of a wave or vibration

Amplitude refers to the maximum value of a wave or vibration. It is the point on a wave where the displacement from the equilibrium position is the greatest. This is different from frequency, which is the number of complete wave cycles per unit time. Options B, C, and D do not accurately describe amplitude and are unrelated to the concept of waves and vibrations. Option B refers to the positive electrode of an electrolytic cell, option C describes a homogenous mixture of metals, and option D describes something that does not have a definite form or shape. Therefore, they are incorrect in relation to the concept of amplitude in physics.

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