QCAA Physics Formula Sheet Explained (2025 Formula and Data Book)
The QCAA Physics formula sheet or formula booklet is officially the Physics 2025 formula and data book. It is supplied in the external assessment. This independent reference makes the equations searchable and adds use cases, symbol meanings, units and common-error checks.
Independent study resource: Sylligence is not affiliated with or endorsed by QCAA. Check the official PDF before an assessment because QCAA can update supplied materials.
Open the official Physics 2025 formula and data book.
Data, heating and nuclear physics
Measurement uncertainty and error
range uncertainty, percentage uncertainty and percentage error
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Kelvin and first law
T(K)=T(°C)+273; ΔU=Q+W
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Specific and latent heat
Q=mcΔT; Q=mL
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Efficiency
energy output / energy input × 100%
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Half-life
N=N₀(½)ⁿ
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Mass-energy equivalence
ΔE=Δmc²
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Relativity and electricity
Relativity
time dilation, relativistic momentum and length contraction
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Current and voltage
I=q/t; V=W/q
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Ohm's law and power
V=IR; P=VI; P=I²R; P=W/t
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Series circuits
voltages and resistances add
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Parallel circuits
currents add; reciprocal resistances add
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Fields and electromagnetism
Electric force, field and potential
F=kQq/r²; E=F/q=kQ/r²; V=ΔU/q
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Magnetic forces
F=qvB sinθ; F=BIL sinθ
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Wire and solenoid fields
B=μ₀I/(2πr); B=μ₀nI
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Flux and induction
Φ=BA cosθ; emf=-NΔΦ/Δt
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Ideal transformer
IₚVₚ=IₛVₛ; Vₚ/Vₛ=Nₚ/Nₛ
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Motion, energy, momentum and gravity
Constant acceleration
v=u+at; s=ut+½at²; v²=u²+2as
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Force, work and energy
a=Fnet/m; W=ΔE=Fs; Ek=½mv²; ΔEp=mgΔh; Fg=mg
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Momentum and collisions
p=mv; summed momentum conservation; summed elastic kinetic-energy conservation
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Projectile components
vertical constant-acceleration and horizontal constant-velocity equations
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Circular motion
T=2πr/v; ac=v²/r; Fc=mv²/r
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Gravitation
F=GMm/r²; g=GM/r²
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Kepler's third law
Tₐ²/Tᵦ² = rₐ³/rᵦ³; T²/r³ = 4π²/(GM)
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Waves, quantum physics and Standard Model
Wave basics
v=fλ; f=1/T; I proportional to 1/r²
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Standing waves
closed pipe L=(2n-1)λ/4; open pipe/string L=nλ/2
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Snell's law
n₁sin i/(n₂sin r)=v₁/v₂=λ₁/λ₂
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Blackbody and photons
λmax=b/T; E=hf=hc/λ
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Photoelectric effect
Ek=hf-W; W=hf₀
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Matter waves and Bohr model
λ=h/p; 2πr=nλ; mvr=nh/(2π)
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Rydberg equation
1/λ=R(1/nf²-1/ni²)
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Particle numbers
baryon and lepton number equations
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Physical constants
Thermal constants
heat capacities and latent heats for water phases
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Particle constants
eV conversion, c, atomic mass unit, alpha/electron/neutron/proton masses and electron charge
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Field and astronomical constants
k, μ₀, g, G and Earth, Moon and Sun masses
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
Wave and quantum constants
sound speed, Wien, Planck and Rydberg constants
The interactive page explains when to use this supplied formula family, its symbols and units, and a common mistake to avoid.
How to use this Physics formula reference
- Search by topic, formula name, symbol or use case.
- Expand the equation and check every symbol and unit.
- Attempt a question without the explanation open.
- Use the common-mistake prompt to check your working.
Read free Physics notes and start practising free.
Questions about the Physics formula book or booklet
What is the QCAA Physics formula booklet or data booklet called?
QCAA calls it the Physics 2025 formula and data book. Physics formula sheet, formula booklet and data booklet are common student names for the same supplied document.
Is this an official QCAA Physics resource?
No. Sylligence independently explains the equations. Use the linked official PDF for the complete source data.
Does the Physics formula book remove the need to memorise formulas?
It reduces formula recall, but you still need to choose models, rearrange equations, use SI units and explain whether answers are reasonable.
Source and attribution
Modified from Physics 2025 formula and data book, © State of Queensland (QCAA) 2025, licensed under CC BY 4.0. See the QCAA copyright notice. Sylligence added the search, grouping, explanations, symbol definitions and mistake checks.