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Physics A - ocr.org.uk

OCR 2010 GCE Physics AData, Formulae and Relationships Booklet(Revised Version )GCE Advanced Level and Advanced SubsidiaryPhysics APhysics units G481, G482, G484, G485 These data, formulae and relationships are for the use of candidatesfollowing the Physics A copies of this booklet must be available in the examination room, andmust be given up to the invigilator at the end of the of this booklet may be used for (SLM) 26290/8 CST255*OCE/26290*Instructions to Exams Officer/InvigilatorDo not send this Data Sheet for marking; it should be retained in the centre or destroyed.

CST255 © OCR 2010 GCE Physics A Data Values are given to three significant figures, except where more are useful. speed of light in a vacuum c

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Transcription of Physics A - ocr.org.uk

1 OCR 2010 GCE Physics AData, Formulae and Relationships Booklet(Revised Version )GCE Advanced Level and Advanced SubsidiaryPhysics APhysics units G481, G482, G484, G485 These data, formulae and relationships are for the use of candidatesfollowing the Physics A copies of this booklet must be available in the examination room, andmust be given up to the invigilator at the end of the of this booklet may be used for (SLM) 26290/8 CST255*OCE/26290*Instructions to Exams Officer/InvigilatorDo not send this Data Sheet for marking; it should be retained in the centre or destroyed.

2 CST255 OCR 2010 GCE Physics ADataValues are given to three significant figures, except where more are of light in a vacuum c 108 m s 1permittivity of free space 0 10 12 C2 N 1 m 2 (F m 1)elementary charge e 10 19 CPlanck constant h 10 34 J sgravitational constant G 10 11 N m2 kg 2 Avogadro constant NA 1023 mol 1molar gas constant R J mol 1 K 1 Boltzmann constant k 10 23 J K 1electron rest mass me 10 31 kgproton rest mass mp 10 27 kgneutron rest mass mn 10 27 kgalpha particle rest mass m 10 27 kgacceleration of free fall g m s 2 CST255 OCR 2010 GCE Physics AConversion factorsunified atomic mass unit 1 u = 10 27 kgelectron-volt 1 eV = 10 19 J 1

3 Day = 104 s 1 year 107 s 1 light year 1015 mMathematical equationsarc length = r circumference of circle = 2prarea of circle = pr 2curved surface area of cylinder = 2prhvolume of cylinder = pr 2hsurface area of sphere = 4pr2volume of sphere = 43pr 3 Pythagoras theorem.

4 A2 = b2 + c2 For small angle sin tan and cos 1lg(AB) = lg(A) + lg(B)lg(AB) = lg(A) lg(B)ln(xn) = n ln(x)ln(ekx) = kxCST255 OCR 2010 GCE Physics AFormulae and relationshipsUnit 1 MechanicsFx = F cos Fy = F sin a = v tv = u + ats = 12 (u + v)ts = ut + 12 at 2v2 = u2 + 2asF = maW = mgmoment = Fxtorque = Fd = mVp = FAW = Fx cos Ek = 12 mv2Ep = mghefficiency = useful energy outputtotal energy input 100%F = kxE = 12 Fx E = 12 kx2stress = FAstrain = xLYoung modulus = stressstrainUnit 2 Electrons, Waves and Photons Q = I tI = AnevW = VQV = IRR = LAP = VI P = I 2R P = V 2RW = = V + IrVout = R2R1 + R2 Vinv = f = axDd sin = n E = hf E = hc hf = + KEmax = hmvR = R1 + R2 +.

5 1R = 1R1 + 1R2 + ..CST255 OCR 2010 GCE Physics AUnit 4 Newtonian WorldF = p tv = 2prTa = v2rF = mv2rF = G Mmr2g = Fmg = G Mr2T 2 = (4p 2GM)r 3f = 1T = 2pT = 2pfa = (2pf)2 xx = A cos(2pft)vmax = (2pf) AE = mc pV = NkTpV = nRTE = 32 kTUnit 5 Fields, Particles and Frontiers of PhysicsE = FQF = Qq4p 0r 2E = Q4p 0r 2E = VdF = BIL sin F = BQv = BA cos induced = rate of change of magnetic flux linkage VsVp = nsnpQ = VCW = 12 QV W = 12 CV 2time constant = CRx = x0e tCRC = C1 + C2 +.

6 1C = 1C1 + 1C2 + ..A = NA = A0 e tN = N0 e t t = E = mc2I = I0 e xCST255 OCR 2010 GCE Physics AZ = cIrI0 = (Z2 Z1)2(Z2 + Z1)2 = vcage of Universe = 1H0 0 = 3H028p GCST255 OCR 2010 GCE Physics ABLANK PAGECST255 OCR 2010 GCE Physics ABLANK PAGEC opyright InformationOCR is committed to seeking permission to reproduce all third-party content that it uses in its assessment materials. OCR has attempted to identify and contact all copyright holders whose work is used in this paper.

7 To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced in the OCR Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download from our public website ( ) after the live examination OCR has unwittingly failed to correctly acknowledge or clear any third-party content in this assessment material, OCR will be happy to correct its mistake at the earliest possible queries or further information please contact the Copyright Team, First Floor, 9 Hills Road, Cambridge CB2 1GE.

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