The frequency closest to the lower limit of US is:

As the impedances of two media become vastly different the:

Propagation speed =_____ x wavelength:

What is the frequency of a wave with 1 msec period?

Power of the sound has units of:

The extrinsic eye muscle highlighted in purple is the:

Strategic nuclear weapons generally considered to have a yield or explosive power of at least __________, which is equivalent to _______ tons of TNT.

Most nuclear weapons today contain a fissile trigger made of a hollow sphere of plutonium, which is called a ________, which must be imploded by concentrically placed charges of high-explosive on its exterior surface.

This type of bone cell detects weak spots in bone, so that it can be remodeled and strengthened:

One ton (in the US) is equal to: