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
[{'content': 'Weber Fechner law is related to ? \nSelect and explain. \nA. Phantom limb, B. Force of contraction in hea, C. Intensity of stimulus and sensation felt, D. Coical plasticity', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Intensity of stimulus and sensation felt", 'role': 'assistant'}]