minimum frequency that
the incident radiation must have in order to release electrons from the metal.
Photoelectric Effect
Quiz
•
Physics
•
University
•
Hard
Helen Johnson
Used 3+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
minimum frequency that
the incident radiation must have in order to release electrons from the metal.
minimum
frequency.
threshold
frequency.
wave
frequency.
cut off frequency
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
longest wavelength for the
liberation of electrons from the surface of a metal
minimum wavelength
maximum wavelength
threshold wavelength
longest wavelength
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A single electron requires
a minimum energy Φ to escape the surface of the metal. This is called.........................
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a photon arrives at the metal plate, it may be captured by an electron. The electron gains all of the
photon’s energy and the photon no longer exists. Some of the energy is needed for the electron to escape
from the energy well; the rest is the electron’s ........................................
potential energy
kinetic energy
elastic energy
strain energy
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Einstein’s photoelectric equation states that
Energy of a photon = ...................+ ........................ of electron
work function + PE
work function + KE
threshold frequency + KE
threshold wavelength + KE
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Photons of energies 1.0 eV, 2.0 eV and 3.0 eV strike a metal surface whose work function is 1.8 eV.
State which of these photons could cause the release of an electron from the metal.
1.0 eV and 2.0 eV
2.0 eV and 3.0 eV
1.0 eV and 3.0 eV
1.0 eV, 2.0 eV and 3.0 eV
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