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The document includes reference data constants, key physics formulae, blank pages, and begins with questions on gravitational field lines, near-Earth field strength, lunar escape from collisions, and kinetic theory explanations.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/physics-970242-paper-4-modified-language-mayjune-2018/642366/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/physics-970242-paper-4-modified-language-mayjune-2018/642366.png","ImageObject",300,407,{"name":42,"@type":43},"Hazel","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-29","2026-10-23",true,{"@type":52,"interactionType":53,"userInteractionCount":22},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What are the candidate instructions for this Physics exam paper?","Question",{"text":62,"@type":63},"Write centre number, candidate number and name on all work. Use dark blue or black pen, answer all questions in the provided spaces, and show working and appropriate units to avoid losing marks. Do not use correction fluid or barcodes, and fasten all work securely at the end.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"What reference data and formulae are included in the paper?",{"text":67,"@type":63},"The paper provides a set of physical constants (e.g., speed of light, elementary charge, Planck constant, gravitational constant) and a formula sheet covering topics such as uniformly accelerated motion, work done on/by a gas, gravitational potential, pressure relations, simple harmonic motion, Doppler effect, capacitors, current, resistors, Hall voltage, AC/voltage, and radioactive decay.",{"name":69,"@type":60,"acceptedAnswer":70},"What topics are covered in the first questions shown in the document?",{"text":71,"@type":63},"Question 1 includes gravitational field lines and why near-Earth field strength is approximately constant, followed by a lunar collision problem about whether a rock escapes into space or returns. Question 2 addresses kinetic theory assumptions for ideal gases, meanings of symbols like ⟨c²⟩ and T, and a gas heating scenario with final temperature and pressure.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},642366,1792721985,{"code":4,"msg":81,"data":82},"success",[83,87,91,94,99,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & 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9702/42  \nPaper 4 A Level Structured Questions May/June 2018  \n2 hours  \nCandidates answer on the Question Paper.  \nNo Additional Materials are required.  \nMODIFIED LANGUAGE  \nREAD THESE INSTRUCTIONS FIRST  \nWrite your Centre number, candidate number and name on all the work you hand in.  \nWrite in dark blue or black pen.  \nYou may use an HB pencil for any diagrams or graphs.  \nDo not use staples, paper clips, glue or correction fluid.  \nDO NOT WRITE IN ANY BARCODES.  \nAnswer all questions.  \nElectronic calculators may be used.  \nYou may lose marks if you do not show your working or if you do not use appropriate units.  \nAt the end of the examination, fasten all your work securely together.  \nThe number of marks is given in brackets [ ] at the end of each question or part question.  \nThis document consists of 25 printed pages and 3 blank pages.  \nDC (ST) 167914 © UCLES 2018  \n[Turn over  \nData  \nspeed of light in free space permeability of free space permittivity of free space  \nelementary charge the Planck constant  \nunified atomic mass unit  \nrest mass of electron  \nrest mass of proton  \nmolar gas constant the Avogadro constant  \nthe Boltzmann constant  \ngravitational constant  \nacceleration of free fall  \n2  \nc = 3.00 × 108 ms−1 μ0 = 4π × 10−7 H m−1 ε0 = 8.85 × 10−12 F m−1  \n(~~ ~~41πε~~ ~~ = 8.99 × 109m F−1) 0  \ne = 1.60 × 10−19 C  \nh = 6.63 × 10−34 Js  \n1 u = 1.66 × 10−27 kg me = 9.11 × 10−31 kg  \nm = 1.67 × 10−27 kg p  \nR = 8.31 JK−1mol−1  \nN = 6.02 × 1023mol−1 A  \nk = 1.38 × 10−23 JK−1  \nG = 6.67 × 10−11 N m2 kg−2 g = 9.81 ms−2  \n© UCLES 2018 9702/42/M/J/18  \n3  \nFormulae  \nuniformly accelerated motion s = ut + 12 at 2  \nv2 = u 2 + 2as  \nwork done on/by a gas W = pΔV  \ngravitational potential φ = − Grm  \nhydrostatic pressure p = ρgh  \npressure of an ideal gas p = 13 NmV〈 c2〉  \nsimple harmonic motion a = − ω 2x  \nvelocity of particle in s.h.m. v = v0 cos ωt  \nv = ± ω  (x02-x2)  \nDoppler effect f =  fsv   \no v ± v  \ns  \nelectric potential V =  Q   \n4πε r  \n0  \ncapacitors in series 1/C = 1/C1 + 1/C2 + . . .  \ncapacitors in parallel C = C1 + C2 + . . .  \nenergy of charged capacitor W = 12 QV  \nelectric current I = Anvq  \nresistors in series R = R + R +    \n1 2  \nresistors in parallel 1/R = 1/R1 + 1/R2 + . . .  \nHall voltage VH = BntIq  \nalternating current/voltage x = x0 sin ω t  \nradioactive decay x = x0 exp(−λt)  \ndecay constant λ = 0.6t1293  \n© UCLES 2018 9702/42/M/J/18 [Turn over  \n4  \nBLANK PAGE  \n© UCLES 2018 9702/42/M/J/18  \n5  \nAnswer all the questions in the spaces provided.  \n1 (a) (i) A gravitational field may be represented by lines of gravitational force.  \nState what is meant by a line of gravitational force.  \n...........................................................................................................................................  \n....................................................................................................................................... [ 1]  \n(ii) By reference to lines of gravitational force near to the surface of the Earth, explain why the gravitational field strength g close to the Earth’s surface is approximately constant.  \n...........................................................................................................................................  \n...........................................................................................................................................  \n...........................................................................................................................................  \n...........................................................................................................................................  \n...........................................................................................................................................  \n............................","cbCaipKH6Emup6l0","https://ap.wps.com/l/cbCaipKH6Emup6l0","pdf",3687869,28,"English","# Instructions\n# Data and Formulae\n# Questions\n## Question 1\n## Question 2","[{\"question\":\"What are the candidate instructions for this Physics exam paper?\",\"answer\":\"Write centre number, candidate number and name on all work. Use dark blue or black pen, answer all questions in the provided spaces, and show working and appropriate units to avoid losing marks. Do not use correction fluid or barcodes, and fasten all work securely at the end.\"},{\"question\":\"What reference data and formulae are included in the paper?\",\"answer\":\"The paper provides a set of physical constants (e.g., speed of light, elementary charge, Planck constant, gravitational constant) and a formula sheet covering topics such as uniformly accelerated motion, work done on/by a gas, gravitational potential, pressure relations, simple harmonic motion, Doppler effect, capacitors, current, resistors, Hall voltage, AC/voltage, and radioactive decay.\"},{\"question\":\"What topics are covered in the first questions shown in the document?\",\"answer\":\"Question 1 includes gravitational field lines and why near-Earth field strength is approximately constant, followed by a lunar collision problem about whether a rock escapes into space or returns. Question 2 addresses kinetic theory assumptions for ideal gases, meanings of symbols like ⟨c²⟩ and T, and a gas heating scenario with final temperature and pressure.\"}]","PHYSICS 9702/42 - Paper 4 - Modified Language - May/June 2018 | PDF",71]