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.2.1—Electric charge forces

D.2.2—Coulomb’s law

D.2.3—Charge conservation

D.2.4—Millikan experiment

D.2.5—Charge transfer

D.2.6—Electric field strength

D.2.7—Electric field lines

D.2.8—Field-line density

D.2.9—Parallel-plate field

D.2.10—Magnetic field lines

D.2.11 (HL)—Electric potential energy

D.2.12 (HL)—Two-charge potential energy

D.2.13 (HL)—Electric potential as scalar

D.2.14 (HL)—Electric potential

D.2.15 (HL)—Electric potential gradient

D.2.16 (HL)—Work in electric fields

D.2.17 (HL)—Electric equipotentials

D.2.18 (HL)—Equipotentials and electric fields

D.3 Motion in electromagnetic fields

E. Nuclear and quantum physics

E.1 Structure of the atom

E.2 Quantum physics

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 D.2.15 (HL)—Electric potential gradient Question Bank

• Electric field strength is potential gradient: E=-ΔVe/Δr.

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