If a 100-Hz tone had to be increased to 110 Hz for a subject to just notice the difference, you would predict that a 1000-Hz tone would have to be increased to:
A1200 to be noticed
B1010 to be noticed
C1100 to be noticed
D1250 to be noticed
Correct answer
C. 1100 to be noticed
Explanation
The correct answer is 1100 to be noticed.