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Which of the Following Is Included in M2 but Not

question 71

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Which of the following is included in M2 but not in M1?


Definitions:

Amplitude

Amplitude refers to the magnitude or strength of a fluctuating signal, such as sound, light, or electrical signal, often measured from its baseline to its peak.

Brightness

The perception of how luminous an object appears, measured in lumens or subjective visual assessment.

Purity

The quality or state of being free from contamination, adulteration, or imperfection; often associated with moral or ethical cleanliness.

Wavelength

The gap between one peak of a wave and the next, particularly in sound waves or electromagnetic waves.

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