WJEC Physics for AS: Study and Rev Guide

Published in 2016 by Illuminate Publishing Ltd, P.O Box 1160, Cheltenham, Gloucestershire GL50 9RW Orders: Please visit www.illuminatepublishing.com or email sales@illuminatepublishing.com © Gareth Kelly, Nigel Wood, Iestyn Morris The moral rights of the authors have been asserted. All rights reserved. No part of this book may be reprinted, reproduced or utilised in any form or by any electronic, mechanical, or other means, now known or hereafter invented, including photocopying and recording, or in any information storage and retrieval system, without permission in writing from the publishers. British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library ISBN 978-1-908682-60-4 Printed in England by 4Edge Ltd., Hockley, Essex. 02.16 The publisher’s policy is to use papers that are natural, renewable and recyclable products made from wood grown in sustainable forests. The logging and manufacturing processes are expected to conform to the environmental regulations of the country of origin. Every effort has been made to contact copyright holders of material reproduced in this book. If notified, the publishers will be pleased to rectify any errors or omissions at the earliest opportunity. This material has been endorsed by WJEC and offers high quality support for the delivery of WJEC qualifications. While this material has been through a WJEC quality assurance process, all responsibility for the content remains with the publisher. WJEC examination questions are reproduced by permission fromWJEC Editor: Geoff Tuttle Cover and text design: Nigel Harriss Text and layout: Neil Sutton, Cambridge Design Consultants Acknowledgements We are very grateful to the team at Illuminate Publishing for their professionalism, support and guidance throughout this project. It has been a pleasure to work so closely with them.