The fig above shows two waveforms X and Y. If the frequency of X is 30Hz what is the frequency of Y
Attached Figure / Diagram
A
12Hz
B
19Hz
C
60Hz
D
75Hz
Verified Correct Answer: D.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #41670)