- It increases.
- It decreases.
- It remains the same.
- It becomes zero.
Author: ETEA MCQS.COM
No category found.
- 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.
- The minimum frequency of light required to eject an electron.
- The maximum frequency of light that can eject an electron.
- The frequency at which the kinetic energy of ejected electrons is zero.
- The frequency that produces the most electrons.
- Electrons are always ejected.
- Electrons are ejected only if the light frequency is above a threshold.
- Protons are ejected.
- The metal heats up without electron ejection.
- 3.3?10?19 J
- 3.3?10?20 J
- 3.3?10?21 J
- 3.3?10?18 J
- 4.14 eV
- 2.07 eV
- 8.28 eV
- 1.03 eV
- 1.6?10?27 kg m/s
- 4.8?10?19 kg m/s
- 4.8?10?27 kg m/s
- 1.6?10?19 kg m/s
- 8.29 eV
- 13.26 eV
- 2.0 eV
- 1.6 eV
- 9.945?10?19 J
- 1.105?10?35 J
- 3.315?10?19 J
- 9.945?10?18 J
- 1.658?10?27 kg m/s
- 1.658?10?28 kg m/s
- 1.658?10?29 kg m/s
- 1.658?10?26 kg m/s
- 2.76?1018
- 2.76?1017
- 2.76?1019
- 2.76?1020
- 6.63?10?16 J
- 6.63?10?15 J
- 6.63?10?14 J
- 6.63?10?17 J
- 4.83?1014 Hz
- 3.2?10?19 Hz
- 4.83?1013 Hz
- 2.41?1014 Hz
- 7.956?10?19 J
- 7.956?10?18 J
- 7.956?10?20 J
- 7.956?10?21 J
- 2.84?10?19 J
- 2.38?10?19 J
- 3.0?10?19 J
- 3.5?10?19 J
- 6.30?10?26 J
- 6.30?10?28 J
- 6.30?10?29 J
- 6.30?10?27 J
