This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Weber Fechner law is related to ? 
Select and explain. 
A. Phantom limb, B. Force of contraction in hea, C. Intensity of stimulus and sensation felt, D. Coical plasticity
C: Intensity of stimulus and sensation felt
Answer: C: Intensity of stimulus and sensation felt 
Explanation: Ans. is 'c' i.e., Intensity of stimulus and sensation felt