- 2.43?10?12 m
- 2.43?10?9 m
- 2.43?10?6 m
- 2.43?10?15 m
Category: Chemistry
- The incident photon's frequency.
- The incident photon's intensity.
- The scattering angle.
- The temperature of the target.
- ??=h/(me?c)
- ??=h/(me?c)(1?cos?)
- ??=me?c/h
- ??=h?
- Heavy atoms.
- Free electrons.
- Protons.
- Neutrons.
- It decreases.
- It increases.
- It remains the same.
- It depends on the intensity.
- Light behaves only as a wave.
- Photons have momentum.
- Electrons are massless.
- Energy is continuous.
- It explains quantized energy levels.
- It predicts electron emission at any frequency if intensity is high enough.
- It explains the existence of a threshold frequency.
- It predicts instantaneous emission.
- Electrons would be ejected with positive KE.
- No electrons would be ejected.
- The work function would decrease.
- More photons would be needed.
- 4.83?1014 Hz
- 3.2?10?19 Hz
- 4.83?1013 Hz
- 2.41?1014 Hz
- KEmax?=Vs?/e
- KEmax?=e?Vs?
- KEmax?=Vs?+e
- KEmax?=Vs??e
- The voltage required to stop the incident photons.
- The voltage required to stop the ejected electrons.
- The voltage that increases the kinetic energy of electrons.
- The voltage that determines the work function.
- It increases.
- It decreases.
- It remains the same.
- It becomes zero.
- Electrons are ejected with high kinetic energy.
- No electrons are ejected, regardless of intensity.
- More electrons are ejected if the intensity is high.
- The work function changes.
- It increases.
- It decreases.
- It remains the same.
- It becomes zero.
- E=?+KEmax?
- E=??KEmax?
- KEmax?=E+?
- ?=E+KEmax?
- It increases.
- It decreases.
- It remains the same.
- It becomes zero.
- The maximum energy an electron can have.
- The minimum energy required to eject an electron from the metal surface.
- The kinetic energy of the ejected electrons.
- The energy of the incident photons.
