Physiology Weber-Fechner law is – A Magnitude of sensation is proportional to number of receptor stimulated B Magnitude of sensation is proportional to amplitude of action potential or receptor C Magnitude of sensation is proportional to logarithm of intensity of stimulus D Intensity of frequency of stimulus 💡 Explanation Weber-Fechner law is - ✓ Correct Answer: C. Magnitude of sensation is proportional to logarithm of intensity of stimulus