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