ASCP BOC Prep - Clinical Chemistry |346 questions| with correct answers

Radiant Energy CORRECT ANSWER Characterized as a spectrum from short wavelength to long wavelength: cosmic, gamma rays, X-rays, UV, visible, infrared, microwaves, radio waves Wavelength CORRECT ANSWER The distance traveled between one complete wave cycle (distance between two successive crests) measured in nanometers (nm) The shorter the wavelength CORRECT ANSWER the greater the energy contained in the light and the greater the number of photons UV light has very____________________ wavelengths CORRECT ANSWER Short Infrared light has very _________________________ wavelengths. CORRECT ANSWER Long When all visible wavelengths of light are combined________________ ___________________ results. CORRECT ANSWER White light Visible Color CORRECT ANSWER Wavelength of light transmitted (not absorbed) by an object Photons CORRECT ANSWER particles of light When energy is absorbed as a photon, an______________________ is moved to a higher energy level where it is __________________________. CORRECT ANSWER Electron, Unstable Three ways that atom becomes excited when it absorbs a photon: CORRECT ANSWER 1. Electron is moved to a higher energy level 2. The mode of the covalent bond vibration is changed 3. rotation around its covalent bonds is changed