Physics A Data, Formulae and Relationships Booklet - A Level Physics A (H156) - A Level Physics A (H556)

Sep 5, 2026

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Data, Formulae and Relationships Booklet for OCR Physics A AS Level and A Level specifications includes key reference values, physical constants, conversion factors, and core mathematical equations. It provides a structured set of physics formulae across modules covering vectors, forces, motion, work, energy and power, electrical circuits, waves and photons, Newtonian world and astrophysics, particles and medical physics, and electromagnetism and radiation. Designed as a quick lookup resource during assessment.

LanguageEnglish

CategoryExam

FormatPDF

Pages8

Reading Time20 min

AccessFree to download

Data

Physical constants

Conversion factors

Mathematical equations

Formulae and relationships

Module 2 – Foundations of physics

Module 3 – Forces and motion

Module 4 – Electrons, waves and photons

Module 5 – Newtonian world and astrophysics

Module 6 – Particles and medical physics

Phys ics A Oxford Cambridge and RSA AS Level Physics A (H156) A Level Physics A (H556) Data, Formulae and Relationships Booklet INSTRUCTIONS • Do not send this Booklet for marking. Keep it in the centre or recycle it. INFORMATION • This document has 8 pages. © OCR 2025 DC (WW) 342265/2 Physics A CST992 2 Data, Formulae and Relationships Data Values are given to three significant figures, except where more – or fewer – are useful. Physical constants acceleration of free fall elementary charge speed of light in a vacuum Planck constant Avogadro constant molar gas constant Boltzmann constant gravitational constant permittivity of free space electron rest mass proton rest mass neutron rest mass alpha particle rest mass Stefan constant g e c h NA R k G ε0 me mp mn m α σ 9.81 ms–2 1.60 × 10–19C 3.00 × 108 ms–1 6.63 × 10–34Js 6.02 × 1023 mol–1 8.31 J mol–1 K–1 1.38 × 10–23JK–1 6.67 × 10–11 N m2 kg–2 8.85 × 10–12 C2 N–1 m–2 (F m–1) 9.11 × 10–31 kg 1.673 × 10–27 kg 1.675 × 10–27 kg 6.646 × 10–27 kg 5.67 × 10–8W m–2K–4 Quarks up quark down quark strange quark charge = + 2~~3~~ e charge = –1~~3~~ e charge = –1~~3~~ e © OCR 2025 Physics A 3 Conversion factors unified atomic mass unit electronvolt day year light year parsec 1 u = 1.661 × 10–27 kg 1 eV = 1.60 × 10–19J 1 day = 8.64 × 104 s 1 year ≈ 3.16 × 107 s 1 light year ≈ 9.5 × 1015 m 1 parsec ≈ 3.1 × 1016 m Mathematical equations arc length = rθ circumference of circle = 2πr area of circle = πr2 curved surface area of cylinder = 2πrh surface area of sphere = 4πr2 area of trapezium = 12 (a + b)h volume of cylinder = πr2h volume of sphere = 4~~3~~πr3 Pythagoras’ theorem: a 2 = b 2 + c 2 cosine rule: a 2 = b 2 + c 2 – 2bc cosA sine rule: ~~si~~anA = ~~si~~B = ~~si~~cnC sin θ ≈ tan θ ≈ θ and cos θ ≈ 1 for small angles log(AB) = log(A) + log(B) (Note: lg = log 10 and ln = loge) log􀀱AB􀀲 = log(A)– log(B) log(xn) = n log(x) ln(ekx) = kx © OCR 2025 Physics A Turn over 4 Formulae and relationships | Module 2 – Foundations of physics | | | | | --- | --- | --- | --- | | vectors | Fx = F cos θ Fy = F sin θ | | | | Module 3 – Forces and motion | | | | | uniformly accelerated motion | | v = u + ats = 12 (u + v)t
s = ut + 12at2
v2 = u2 + 2as | | | force | | F = p~~t~~
p = mv | | | turning effects | | moment = Fx
torque = Fd | | | density | | ρ = mV | | | pressure | | p = FA
p = hρg | | | work, energy and power | | W = Fx cos θ
efficiency = use~~t~~of~~t~~uall~~ ~~eneenerrgygy~~ ~~ionu~~t~~ppu~~tut~~ × 100% P = ~~ ~~W~~t~~
P = Fv | | | springs and materials | | F = kx
E = 12 Fx ; E = 12kx2
F σ = ~~ ~~
A
x ε = ~~ ~~
L | | | | | E = | σ
ε | © OCR 2025 Physics A 5 | Module 4 – Electrons, waves and photons | | | | | | --- | --- | --- | --- | --- | | charge | ∆Q = I∆t | | | | | current | I = Anev | | | | | work done | W = VQ ; W = EQ ; W = | | | VIt | | resistance and resistors | R = ρ~~ ~~LA
R = R 1 + R2 +…
1 1 1 ~~ ~~ = ~~ ~~ + ~~ ~~ + R R 1 R2 .... | | | | | power | P = VI, P = I2R and P = | | | V2
R | | internal resistance | E = I(R + r) ; E = V + Ir | | | | | potential divider | R2 Vout = R 1 + R2 × Vin V1 R 1
=
V2 R2 | | | | | waves | v = fλ f = ~~ ~~1T
I = PA
λ = a~~ ~~xD | | | | | refraction | n = cv
n sinθ = constant n 1 sinθ1 = n2 sinθ2 | | | | | | sin C = | | 1 n | | | quantum physics | hc E = hf E =
λ hf = φ + KEmax | | | | | | λ = | hp | | | © OCR 2025 Physics A Turn over 6 Module 5 – Newtonian world and astrophysics thermal physics E = mc∆θ E = ml | ideal gases | pV = NkT; pV = nRT
pV = 1~~3~~Nm c 2
12 m c 2 = ~~3~~2kT
E = ~~3~~2kT | | --- | --- | | circular motion | ω = 2πT ; ω = 2πfv = ωr
2
v 2
a = ; a = ω rr
F = mvr2 ; F = mω2r | | oscillations | ω = 2πT ; ω = 2πf

FAQs

What information is provided in the booklet’s data section?

It includes reference values for physical constants, conversion factors between common units, and a set of mathematical equations used in physics problems.

Which topics are covered by the formulae and relationships section?

It groups formulae by modules, including foundations of physics, forces and motion, electrons, waves and photons, Newtonian world and astrophysics, and particles and medical physics.

How should the booklet be handled according to the instructions?

The booklet should not be sent for marking; keep it in the centre or recycle it.

Sep 5, 2026

Upload by Gloria