Free Download of Jamb (UTME) Physics past questions with Answers on 'Sound waves.' There have been lots of posts out there stating 'Free Download of UTME Physics past questions with Answers' but only questions without answers. This has prompted me to painstakingly create this pack by solving Jamb physics past questions on different topics and making them available to download for free. Not only are these questions solved topics by topics, they're also solved systematically from the simplest to the hardest. It is a unique past questions pack with answers to make easy studying of the subject. Side Note: 'ume 91@04' in the pack implies ume 1991 question number 4. As the description of the website displays-understanding what you know is the key- I would like to explain briefly on this topic. Brief explanation on the topic Sound waves and matter Sound waves travels through gases, liquids and solids. When a train approaches a station, the rail can be hea...