CourseCourse QuestionQuestion

A. Space, time and motion

B. The particulate nature of matter

B.1 Thermal energy transfers

B.2 Greenhouse effect

B.4 Thermodynamics

B.4.1 (HL)—First law of thermodynamics

B.4.2 (HL)—Gas work

B.4.3 (HL)—Internal energy change

B.4.4 (HL)—Entropy and disorder

B.4.5 (HL)—Entropy equations

B.4.6 (HL)—Second law of thermodynamics

B.4.7 (HL)—Irreversibility

B.4.8 (HL)—Local entropy decrease

B.4.9 (HL)—Gas processes

B.4.10 (HL)—Adiabatic ideal gas

B.4.11 (HL)—Heat engine cycles

B.4.12 (HL)—Heat engine efficiency

B.4.13 (HL)—Carnot efficiency limit

B.5 Current and circuits

C. Wave behaviour

E. Nuclear and quantum physics

S Skills in Physics

IB/Physics/HL//Concept/B. The particulate nature of matter/B.4 Thermodynamics/B.4.4 (HL)—Entropy and disorder

B. The particulate nature of matter

Syllabus: First assessment 2025
Section: —
Level: HL

Exam analysis

Most tested topics

B.1 Thermal energy transfers
B.2 Greenhouse effect
B.3 Gas laws
B.4 Thermodynamics
B.5 Current and circuits