A. Space, time and motion

A.1 Kinematics

A.2 Forces and momentum

A.3 Work, energy and power

A.4 Rigid body mechanics

A.5 Galilean and special relativity

B. The particulate nature of matter

B.1 Thermal energy transfers

B.2 Greenhouse effect

B.3 Gas laws

B.4 Thermodynamics

B.5 Current and circuits

C. Wave behaviour

C.1 Simple harmonic motion

C.2 Wave model

C.3 Wave phenomena

C.4 Standing waves and resonance

C.5 Doppler effect

D. Fields

D.1 Gravitational fields

D.2 Electric and magnetic fields

D.3 Motion in electromagnetic fields

E. Nuclear and quantum physics

E.1 Structure of the atom

E.2 Quantum physics

E.2.1 (HL)—Photoelectric effect

E.2.2 (HL)—Threshold frequency

E.2.3 (HL)—Photoelectric equation

E.2.4 (HL)—Particle diffraction

E.2.5 (HL)—Matter wave-particle duality

E.2.6 (HL)—de Broglie wavelength

E.2.7 (HL)—Compton scattering

E.2.8 (HL)—Photon wavelength increase

E.2.9 (HL)—Compton wavelength shift

E.3 Radioactive decay

E.4 Fission

E.5 Fusion and stars

S Skills in Physics

S1.1 Experimental techniques

S1.2 Technology

S1.3 Mathematics

S2.1 Exploring and designing

S2.2 Collecting and processing data

S2.3 Concluding and evaluating

IB Physics HL E.2.2 (HL)—Threshold frequency Question Bank

• Photoelectrons require photons above threshold frequency.

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