1. The energy needed to remove an electron from an atom is just above the: Group of answer choices second excited energy level ionization energy first excited energy level ground state energy 2. The light emitted by a single laser consists of: Group of answer choices multiple frequencies one frequency the full spectrum a continuous spectrum 3. The highest energy level in an atom is its Group of answer choices ionization level. ground state. photon level. emission level. absorption level. 4. An atom can be excited into a higher energy state by Group of answer choices decreasing its de Broglie wavelength. absorbing a photon. emitting a photon. undergoing the photoelectric effect. the uncertainty principle. 5. Laser light is: Group of answer choices spontaneous emission of radiation specular reflection diffuse reflection stimulated emission of radiation 6. As the temperature of a blackbody increases, the peak of its radiation curve moves Group of answer choices ( Can be select more than one) toward smaller wavelength. none of the above. toward larger wavelength. upward toward higher intensity. downward toward lower intensity. 7. Which of the following increases the energy of photons emitted by a light source? Group of answer choices increasing the frequency