You need to know about these quantities used in waves - what they mean, the symbols used for them and the units used to measure them. Don't get confused with this quantity frequency. It is not a ...

Using high-frequency sound waves to ... can be controlled by altering the frequency, polarization and amplitude of the applied sound wave. This approach offers far more rapid tuning than a ...

But collapsing supernovae of mass greater than about 10 solar masses are expected to emit gravitational waves as well, though of lower wave amplitude ... been detected. High-frequency detectors ...