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TechLib Quiz
Quiz voor 15 december 2015
What frequency does the C7 key on a piano produce?
A |
1 kilohertz 0% |
B |
2 kilohertz 0% |
C |
4 kilohertz 0% |
D |
8 kilohertz 0% |
What frequency does the C7 key on a piano produce?
A |
1 kilohertz 0% |
B |
2 kilohertz 0% |
C |
4 kilohertz 0% |
D |
8 kilohertz 0% |