Answer Happy

Spectrophotometers employ various sources of radiation which statement regarding spectrophotometer light sources is FALSE? O A quartz-tungsten halogen lamp emits radiation over the visible spectrum and parts of the ultraviolet and infrared spectrums O A deuterium arc lamp uses controlled electric discharges to cause D2 to dissociate and emit visible radiation O Light-emitting diodes emit narrow bands of visible and near-infrared radiation Lasers emit radiation of a single wavelength. A silicon carbide globar emits infrared radiation when heated to near 1 500 K.