Quantum Physics

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Across
  1. 1. While ____________ objects emit waves with higher frequencies, such as visible light and ultraviolet radiation.
  2. 5. Red light has the ____________ frequency
  3. 6. ________frequency, is the minimum frequency required to produce photoelectric effect on a metal
  4. 9. Phenomenon of ______________________________ emission from a metal surface when it is illuminated by an electromagnetic wave.
  5. 14. ___________effect is the emission of electrons from metal when it is illuminated by light rays.
  6. 15. The emission of photoelectrons only occurs when the frequency of the wave radiation _____________than threshold frequency.
  7. 16. _________is inversely proportional to wavelengths
  8. 17. The minimum energy required for a photoelectrons to be emitted from a metal surface is known as __________ function.
  9. 18. __________ objects emit waves with low frequencies, such as radio waves or microwave.
Down
  1. 1. Purple light has the ___________ frequency.
  2. 2. Solar cell is electrical component that convert light energy directly into electricity by using concept of____________ effect.
  3. 3. Electromagnetic radiation such as light is said to have wave properties because it exhibits the phenomena of _____________ and interference.
  4. 4. Photoelectric effect occurs when light strikes the surface of a _______________.
  5. 7. The frequency of the electromagnetic spectrum radiation depends on the object’s _______________.
  6. 8. The kinetic energy of photoelectrons does not depend on the_____________ of light
  7. 10. Electrons will only be emitted from the metal surface if the frequency of light ____________than the threshold frequency of the metal.
  8. 11. Visible light consists of ________colors.
  9. 12. The higher the frequency of the photon of light, the higher the ______________ energy of the photoelectrons emitted from the metal surface.
  10. 13. ____________body: an idealized body that is able to absorb all electromagnetic radiation that falls on it.
  11. 14. _________energy = maximum kinetic energy of electrons + work function.