The smallest amount of a change in something's weight that we can detect is about ________ percent.
A) 6
B) 4
C) 2
D) 8

Question

Quizplus · Accepted Answer

The smallest amount of change in weight that we can detect is about 2%. This is known as the just noticeable difference (JND) and varies depending on the weight of the object being measured. The JND for smaller weights is lower, while the JND for larger weights is higher. Therefore, choice (C) is the best answer.

The Smallest Amount of a Change in Something's Weight That