Which of the following waves does not require a medium to be propagated? microwaves true sound false seismic false spring waves false Single The speed of a wave is _________ to its frequency. directly proportional true inversely proportional false equal false unrelated false Single The SI unit for wave frequency is named after? Heinrich Hertz true Erwin Schrodinger false Christiaan Huygens false Thomas Young false Single Fill in the blanks.The parts of a longitudinal wave that corresponds to the trough of a transverse wave are those that experience ___________. expansion false extension false compression false rarefaction true Single The type of reflection that occurs on rough surfaces is called: drussy false dull false specular false diffuse true Single The index of refraction relates the speed of light within a medium with the speed of light in _________? pure hydrogen gas false pure glass false pure water false vacuum true Single What is the color of light that has a wavelength of 500 nanometers? green true violet false red false yellow false Single In the interference pattern produced by light diffracting through a single slit, what is or are the region or regions that correspond constructive interference? the bright fringes true the central bright region false the dark fringes false the dark sides flanking the pattern false Single According to Descartes, through what medium do light waves propagate? plenum true phlegm false ether false air false Single According to Einstein, light is made up of massless particles of bundled energy called? corpuscles false alpha particles false photons true gamma rays false Single