SQA Databook for HN Physics For use in Higher National Courses Publication date: 2016 Publication code: CB7127 ISBN: 978 1 910180 10 5 Published by the Scottish Qualifications Authority The Optima Building, 58 Robertson Street, Glasgow G2 8DQ Lowden, 24 Wester Shawfair, Dalkeith, Midlothian EH22 1FD www.sqa.org.uk The information in this publication may be reproduced in support of SQA qualifications. If it is reproduced, SQA should be clearly acknowledged as the source. If it is to be used for any other purpose, then written permission must be obtained from SQA. It must not be reproduced for trade or commercial purposes. © Scottish Qualifications Authority 2016 For an up-to-date list of prices visit the Publication Sales and Downloads section of SQA’s website. For further details telephone SQA’s Customer Contact Centre on 0845 279 1000. Page two Contents Relationships for Physics 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Relationships for Physics 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Waves & Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Electricity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Radiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Gas & Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Mechanics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Quantum Mechanics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Fundamental Physics Constants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 DATA SHEET Standard Pressure and Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Common Physical Quantities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Refractive Indices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Spectra Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Properties of Selected Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Additional Relationships . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Electron Arrangements of Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Page three Relationships for Physics 1 v= 1 s t RT 1 R1 + 1 R2 + ........ R1 R = 3 R2 R4 v = fλ 1 τ= f sin θc = n= = A= D= R1 ×V ( R1 = R2 ) S P= E t 1 n sin θ1 λ1 v1 = = sin θ2 λ2 v2 P= V1 = P = IV = I 2 R = 1 f N t E m V2 R I N s Vs = = p N p Vp Is Cost = unit cost (∑ Pt) Random uncertainties = H = Dwr H H = t V = IR ∑ E = ∑ IR RT = R1 + R2 + ..... Page four max value – min value number of values Relationships for Physics 2 v= s t P = ρgh Ew = Fd v = fλ τ= 1 1 2 Ek = mv 2 f E p = mgh nλ = path difference ( n + 1 / 2 ) λ = path difference ρ1 A1 v1 = ρ2 A2 v2 1 2 P + ρgh + ρv 2 = constant d sin θ = nλ Q = Av n= sin θ1 sin θ2 Tmix = E = hf E = hf − hf o hf = E1 − E2 I = Nhf = N Ahf ρ= m V F P= A (T1m1 + T2m2 ) (m1 + m2 ) PV = nRT PV = N AkaT ∆T Q = kA x Eh = cm Δ T Eh = lV m Eh = l f m H = AeσT 4 Page five Waves & Light v= s t P= τ= f y = A sin ( kθ − wt ) v = fλ λ= 1 c f Vd = 1 V= f nλ = path difference nd − 1 n f − nc I max − I min × 100 I max + I min tan θ = y D tan θ = nb na ( n + 1 / 2 ) λ = path difference d sin θ = nλ n= sin θ1 λ1 v1 = = sin θ2 λ2 v2 sin θc = Ep = 1 n nλ = no + ∫ cos(kr − αx) dA aperture A⎛ B ⎞ + ......... ⎟ 2 ⎜ 2 λ ⎝λ ⎠ E = hf E = hf − hf o hf = E1 − E2 I = Nhf w2 − w1 = hf Page six Electricity V = IR B= ∑ E = ∑ IR F = I l B sin θ RT = R1 + R2 + ..... 1 RT = 1 R1 + 1 R2 Xc = X= R1 ×V ( R1 = R2 ) S F Q g= f m F= 2π f C dI dt 1 2 E = LI 2 1 2 1 2 E = QV = CV 2 P = IV = I 2 R = E= 1 ε=− L E t P= V I + ........ R1 R = 3 R2 R4 V1 = μ0 I 2π r V2 R XL = V I X L = 2π f L 1 ⎛ Q1 Q2 ⎞ ⎜ ⎟ 4 πε ⎝ r 2 ⎠ E= Q 4 πε0 r 2 V= Q 4 πε0 r Ew = qV Page seven Radiation Gas & Heat A= N t Tmix = D= E m PV = nRT PV = NkaT H = Dwr Eh = cm Δ T H H = t N ( n) = NAe (T1m1 + T2m2 ) (m1 + m2 ) Eh = lV m Eh = l f m − En kT Δ l = α l1 (T2 − T1 ) I =σT 4 λmax = Page eight 2 . 8978 × 10 −3 T Mechanics v= s Δt Ew = Fd (v − u ) a= t 1 2 Ek = mv 2 E p = mgh F = ma ρ1 A1 v1 = ρ2 A2 v2 W = mg 1 2 P + ρgh + ρv 2 = constant ω= α= θ t γ= f d v= π ρ r4 8 ηl σ= F A ε= Δl lo (ω2 − ω1 ) t s = rθ v = rα a=rα I = md 2 I = Mk 2 E= IT = Iα = Mk 2α ρ= m V p= F A p = ρgh Page nine Fl Ae Quantum Mechanics Δ to Δt = 1− l = l0 1 − E = hf = v2 c2 p= v c2 2 u2 1− 2 c y ' = y; E hf h = = c c λ Δ x Δ px ≥ x − ut x '= hc λ ΔtΔE ≥ z '= z ux c2 t' = u2 1− 2 c == = (Position and momentum) 2 = (energy and time) 2 h 2π t− − Ψ ( x, t ) = Ψ ( x ) e v −u v '= x uv 1 − 2x c vx = δ Ψ ( x, t ) = 2 d 2Ψ( x) + U ( x ) ψ ( x, t ) = i= 2 2m dx δt − v'x +u uv′ 1 + 2x c 2 h2 d Ψ ( x ) +U ( x ) Ψ ( x ) = EΨ ( x ) 2m dx 2 Pn2 n 2 h2 n 2π 2 = 2 En = = = (n = 1, 2, 3 ...) 2m 8mL2 2mL2 f= c+u fo c−u Ψn ( x ) = f= c−u fo c+u E = K + mc = 1− K= 2 mc 2 v2 c2 1− v2 c2 mc 2 1− λ= ⎛ nπx ⎞ sin ⎜ ⎟ (n = 1, 2, 3,...) L ⎝ L ⎠ 2 G mv G p= − iEt h v2 c2 h h = p mv ( ) E 2 = mc 2 + ( pc ) − mc 2 2 2 E = mc 2 ∫ ∞ −∞ Ψ ( x ) dx = 1 T = Ge −2kL Page ten 2 Fundamental Physics Constants Name Symbol Value Gravitational constant G 6·67408 × 10−11 m3 kg−1 s−2 Mass of the earth ME 5·972 × 1024 kg Radius of the earth rE 6,371 × 103 m Planck’s constant h 6·63 × 10−34 J s Boltzmann’s constant k 1·38066 × 10−23 J K−1 Stefan — Boltzmann constant σ 5·67 × 10−8 W m−2 K−4 Wien’s constant – 2·90 × 10−3 m K Avogadro’s number NA 6·022 × 1023 Gas constant R 8·314510 J mol−1 K−1 Monatomic Adiabatic index – 1·67 Mass of electron me 9·10939 × 10−31 kg Mass of neutron mn 1·67493 × 10−27 kg Mass of proton Mp 1·67262 × 10−27 kg Electron volt eV 1·603 × 10−19 J Permittivity of free space εo 8·854 × 10−12 C2 N m−2 1 Permeability of free space 4 πЄ o µo 8·987 × 109 N m2 C−2 4π × 10−7 N A−2 Page eleven DATA SHEET Standard Pressure and Temperature Quantity Symbol Value Standard temperature T 273 K Standard pressure P 1·013 × 105 Pa Molar volume of an ideal gas – V 3 −1 n = 0·0224 m mol Common Physical Quantities Quantity Symbol Value Quantity Symbol Value Speed of light in vacuum c 3·00 × 108 m s−1 Mass of electron me 9·11 × 10−31 kg Magnitude of the charge on an electron e 1·60 × 10−19 C Mass of neutron mn 1·675 × 10−27 kg Gravitational acceleration on Earth g 9·81 m s−2 Mass of proton mp 1·673 × 10−27 kg Planck’s constant h 6·63 × 10−34 J s Refractive Indices The refractive indices refers to sodium light of wavelength 589 nm and to substances at a temperature of 273 K. Substance Refractive Index Substance Refractive Index Diamond 2·42 Water 1·33 Crown glass 1·50 Air 1·00 Page twelve DATA SHEET (continued) Spectra Lines Element Hydrogen Sodium Wavelength nm Colour 656 Red 486 Element Cadmium Wavelength nm 644 Red Blue-green 509 Green 434 Blue-violet 480 Blue 410 Violet 397 Ultraviolet Element 389 Ultraviolet Carbon dioxide 589 Yellow Lasers Helium-neon Wavelength nm Density kg m−3 Melting point K Boiling point K Aluminium 2·70 × 103 933 2623 Copper 8·96 × 103 1357 2853 Ice 9·20 × 102 273 Sea Water 1·02 × 103 264 377 Water 1·00 × 103 273 373 14 20 Air Hydrogen Infrared 10590 Infrared 633 Red 1·29 9·00 × 10−2 The gas densities refer to a temperature of 273 K and a pressure of 1·01 × 105 Pa Page thirteen Colour 9550 Properties Of Selected Materials Substance Colour Additional Relationships Circle Table of standard derivatives circumference = 2 π r f (x) f ′(x) area = π r 2 sin ax a cos ax cos ax − a sin ax Sphere area = 4 π r 2 volume = 43 π r 3 Trigonometry sin θ = cos θ = tan θ = opposite hypotenuse Table of standard integrals f (x) sin ax cos ax adjacent hypotenuse opposite adjacent sin 2 θ + cos2 θ = 1 Moment of inertia point mass I = mr 2 rod about centre I = 121 ml 2 rod about end I = 31 ml 2 disc about centre I = 21 mr 2 sphere about centre I = 52 mr 2 Page fourteen ∫ f (x)dx 1 − cos ax + C a 1 a sin ax + C Group 1 (1) Group 2 Key Electron Arrangements of Elements Atomic number 1 H Symbol Group 0 Hydrogen Be 4 (2) Cr 24 2,8,13,2 Mn 25 2,8,14,2 Fe 26 2,8,15,2 Co 27 2,8,16,2 Ni 28 Copper 2,8,18,1 Cu 29 48 Zinc 2,8,18,2 Zn 30 (12) 49 Gallium 2,8,18,3 Ga 31 Aluminium 2,8,3 Al 13 Boron 2,3 B 5 (13) 50 Germanium 2,8,18,4 Ge 32 Silicon 2,8,4 Si 14 Carbon 2,4 C 6 (14) 51 Arsenic 2,8,18,5 As 33 Phosphorus 2,8,5 P 15 Nitrogen 2,5 N 7 (15) 52 Selenium 2,8,18,6 Se 34 Sulfur 2,8,6 S 16 Oxygen 2,6 O 8 (16) 53 Bromine 2,8,18,7 Br 35 Chlorine 2,8,7 Cl 17 Fluorine 2,7 F 9 (17) 54 Krypton 2,8,18,8 Kr 36 Argon 2,8,8 Ar 18 Neon 2,8 Ne 10 Group 7 3 2,2 23 2,8,13,1 Nickel 47 Group 6 Li Beryllium V Cobalt 46 Group 5 2,1 12 22 2,8,11,2 45 Group 4 Lithium Mg Ti Iron Rh Group 3 (18) 2 11 2,8,2 21 2,8,10,2 44 2 He Na Magnesium Sc Manganese Ru (5) Name (6) (8) Transition Elements (7) Nb Sb Te Xe Sn Helium 2,8,1 20 2,8,9,2 Chromium 43 Electron arrangement Sodium Ca Vanadium Tc (11) 19 2,8,8,2 Titanium 42 (10) K Scandium Mo (9) 2,8,8,1 Calcium 41 (4) 1 (3) Potassium 40 Zr I Y 39 In 38 Cd Sr Ag 37 Pd Rb 71 2,8,18, 18,8 86 Xenon Lu 2,8,18, 18,7 Iodine Po 70 Meitnerium Darmstadtium Roentgenium Copernicium 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 18,9,2 32,10,2 32,11,2 32,12,2 32,13,2 32,14,2 32,15,2 32,17,1 32,18,1 32,18,2 Rn Polonium Yb 2,8,18, 18,6 Tellurium 85 Bi 69 At Bismuth Tm 2,8,18, 18,5 Antimony 84 68 2,8,18, 18,4 Tin 83 Er Pb 67 2,8,18, 18,3 Tl Ho 2,8,18, 18,2 Hg 66 Au Dy 2,8,18, 18,1 Pt 65 2,8,18, 18,0 Ir 77 2,8,18,13, 2,8,18,13, 2,8,18,15, 2,8,18,16, 1 2 1 1 76 Tb 2,8,18, 12,1 Os 64 2,8,18, 10,2 75 Gd Radon 2,8,18, 32,18,8 63 Ce Thulium Ytterbium Lutetium Terbium Erbium Gadolinium Holmium Europium 98 Dysprosium Samarium Cf Praseodymium Neodymium Promethium 97 2,8,18,21, 2,8,18,22, 2,8,18,23, 2,8,18,24, 2,8,18,25, 2,8,18,25, 2,8,18,27, 2,8,18,28, 2,8,18,29, 2,8,18,30, 2,8,18,31, 2,8,18,32, 2,8,18,32, 8,2 8,2 8,2 8,2 8,2 9,2 8,2 8,2 8,2 8,2 8,2 8,2 9,2 Astatine Eu 2,8,18,9,2 Re 2,8,18,8,1 2,8,18,8,2 74 Indium Niobium W Cadmium 73 2,8,18, 32,18,7 Silver Zirconium Ta Palladium Yttrium 72 2,8,18, 32,18,6 Hs 62 La Cerium Bk Lr 96 103 Cm No 95 102 Am 101 94 Md Pu 100 93 Fm Np 99 U 92 Es 91 90 Pa Th Berkelium 89 Curium Ac Lanthanum Lead Hassium Sm 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 12,2 13,2 14,2 15,2 17,1 Bh 61 2,8,18,18, 2,8,18,32, 9,2 10,2 Rhodium Strontium Hf Thallium 2,8,18,18, 2,8,18,18, 8,1 8,2 Bohrium Pm Cn Sg 60 Rg Db Seaborgium Nd Ds Rf Dubnium 59 Mt Ac Rutherfordium Pr Molybdenum Technetium Ruthenium Rubidium 57 112 Mercury 82 La 111 Gold 81 56 110 Platinum 80 Ba 109 Iridium 79 55 108 Osmium 78 Cs 107 Rhenium 2,8,18, 32,18,5 106 Tungsten 2,8,18, 32,18,4 105 Tantalum 2,8,18, 32,18,3 104 Hafnium 2,8,18, 32,18,2 89 Lanthanum 2,8,18, 32,18,1 88 Barium Ra Actinium 58 2,8,18, 32,11,2 87 Caesium Fr Radium 2,8,18,32, 2,8,18,32, 18,8,1 18,8,2 57 2,8,18, 20,8,2 Lanthanides Francium 2,8,18, 18,9,2 Actinides Americium Mendelevium Plutonium Fermium Neptunium Protactinium Uranium Thorium Californium Einsteinium Nobelium Lawrencium 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 2,8,18,32, 18,9,2 18,10,2 20,9,2 21,9,2 22,9,2 24,8,2 25,8,2 25,9,2 27,8,2 28,8,2 29,8,2 30,8,2 31,8,2 32,8,2 32,9,2 Actinium Page fifteen
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