On a clear,dark night,a person with normal vision can detect a candle flame 15 km away 50% of the time.This illustrates the approximate _____ for vision.

Name: On a clear,dark night,a person with normal vision can detect a candle flame 15 km away 50% of the time.This illustrates the approximate _____ for vision.
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Question

Quizplus · Accepted Answer

The absolute threshold is the minimum intensity of a stimulus that can be detected 50% of the time, which in this case is the candle flame 15 km away.

On a Clear,dark Night,a Person with Normal Vision Can Detect