... organise information clearly– use specialist vocabulary where appropriate.For this paper you must have:l a pencil and a rulerl a calculatorl a Data and Formulae Booklet.Physics A PHYA1 Unit ... fourth word, ‘laws’ and insert the word ‘law’.ERRATUM NOTICEGeneral Certificate ofSecondaryEducationJanuary2011PHYSICS A PHYA1 Unit1Particles, Quantum Phenomena and ElectricityWednesday ... ‘law’.(JAN1 1PHYA10 1)WMP/Jan11 /PHYA1 PHYA1Centre NumberSurnameOther NamesCandidate SignatureCandidate NumberGeneral Certificate of EducationAdvanced Subsidiary ExaminationJanuary 2011Time allowedl1 hour 15...