slit


slit
A component of a spectrophotometer that allows only a fraction of the incident light to pass through it; a slitA component of a spectrophotometer that allows only a fraction of the incident light to pass through it; a slit can be used to select a narrow range of wavelengths from dispersed electromagnetic radiation. can be used to select a narrow range of wavelengths from dispersed electromagnetic radiationEnergy in the form of oscillating, mutually perpendicular electric and magnetic fields. The energy is quantized in units called photons..