Curriculum
Course: IB Physics HL
time left:
:
:
Login

Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

E.2.2 The Photoelectric Equation – Check yourself

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
Start Quiz
1.
In the equation hf = Φ + Kmax, Φ is
the frequency
the stopping potential
the photon energy
the work function of the metal
2.
A metal has Φ = 2.0 eV. Light of photon energy 3.5 eV shines on it. Kmax is
5.5 eV
1.5 eV
3.5 eV
0.57 eV
3.
The gradient of a graph of Kmax against f is
Φ
h/e
e/h
h
4.
The intercept on the vertical axis of a Kmax–f graph is
−Φ
Φ
h
f0
5.
A metal has a threshold wavelength of 600 nm. Light of wavelength 700 nm causes emission
with Kmax of 0.2 eV
none
at a low rate
after a delay
6.
The stopping potential for light of photon energy 5.0 eV on a metal with Φ = 3.2 eV is
5.0 V
3.2 V
1.8 V
8.2 V
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
Part of Theme E — Nuclear and Quantum Physics — see every lesson and quiz in this unit.
Accepted payment methods