Fill in the following sentence with the appropriate word or phrase: A photon with a wavelength the same size as a large building is sometimes called a ______ wave. Write an expression for the kinetic...

Fill in the following sentence with the appropriate word or phrase: A photon with a wavelength the same size as a large building is sometimes called a ______ wave.

Write an expression for the kinetic energy of a matter particle in terms of its relativistic mass and its rest mass