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What physical measure does'I' represent in Fechner's law?

  • Intensity of a stimulus

  • Increment of speed

  • Inversion of sound

  • Index of refraction

Answer

The intensity of a stimulus, denoted as'I' in Fechner's law, quantifies the strength or magnitude of a sensory stimulus. According to this principle, the subjective perception of a stimulus, such as its brightness, loudness, or weight, increases logarithmically with the physical intensity of the stimulus.
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