WJEC Physics for AS Level: Revision Workbook

Published in 2021 by Illuminate Publishing Limited, an imprint of Hodder Education, an Hachette UK Company, Carmelite House, 50 Victoria Embankment, London EC4Y 0DZ Orders: Please visit www.illuminatepublishing.com or email sales@illuminatepublishing.com © Gareth Kelly, Iestyn Morris and Nigel Wood 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 978-1-912820-62-7 Printed by Severn, Gloucester 08.21 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 produced in this book. Great care has been taken by the authors and publisher to ensure that either formal permission has been granted for the use of copyright material reproduced, or that copyright material has been used under the provision of fairdealing guidelines in the UK – specifically that it has been used sparingly, solely for the purpose of criticism and review, and has been properly acknowledged. If notified, the publisher will be pleased to rectify any errors or omissions at the earliest opportunity. Publisher: Eve Thould Editor: Geoff Tuttle Design and layout: Nigel Harriss Cover image: Shutterstock.com/Richard A McMillin Acknowledgements The authors would like to thank Adrian Moss for guiding us through the early stages of production and the Illuminate team of Eve Thould, Geoff Tuttle and Nigel Harriss for their patience and meticulous attention to detail. We are also indebted to Helen Payne for her eagle eyes in spotting mistakes and inconsistencies and for her many insightful suggestions. Picture Credits p122: Courtesy of School of Physics and Astronomy, University of Minnesota. Other illustrations © Illuminate Publishing