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Using Two pieces of string stretched to the same tension, Pythagoras discovered the ratio for creating the interval of a perfect octave was _________.
A. 3:4
B. 2:1
C. 3:5
D. 2:3

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selenadennison04

Answer:

B. 2:1

Explanation:

When a musical instrument is tuned using a just intonation tuning system, the size of the main intervals can be expressed by small-integer ratios, such as 1:1 (unison), 2:1 (octave), 3:2 (perfect fifth), 4:3 (perfect fourth), 5:4 (major third), 6:5 (minor third).

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