Weber's law suggests which of the following?
A) A person can detect a 5-watt light on some days but not on other days.
B) A person can detect a 10-watt light better than a 5-watt light.
C) A person can detect a change from a 5-watt light to a 10-watt light better than a change from a 15-watt light to a 20-watt light.
D) A person can detect a change from a 15-watt light to a 20-watt light better than a change from a 5-watt light to a 10-watt light.
Correct Answer:
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