Final answer:
Weber's Law is a principle in psychophysics that states the just noticeable difference (JND) between two stimuli is proportional to the magnitude of the stimuli. It helps us understand how our senses perceive and interpret stimuli.
Step-by-step explanation:
The question you are asking contains a typo and it seems you are referring to the "Weber's Law" instead of the "Webber fetcher law". Weber's Law is a principle in psychophysics that states that the just noticeable difference (JND) between two stimuli is proportional to the magnitude of the stimuli. In simpler terms, it means that as the intensity of a stimulus increases, the amount of change required for someone to notice a difference also increases.
For example, if you have a room that is dimly lit and you turn up the brightness of a lightbulb, you would need to increase the brightness by a significant amount for someone to notice a difference. However, if the room is already well-lit, a much smaller increase in brightness would be noticeable.
Weber's Law is applicable to various fields including vision, hearing, and touch, as it helps us understand how our senses perceive and interpret stimuli. It provides insight into how our brain processes sensory information and plays a role in many areas of research and practical applications.