When a driver touches a cars steering wheel on a hot day, heat is transferred to the drivers hands by a. electromagnetism b. convection c. conduction d. radiation

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3