Keywords Physics (5059)

Important Facts That You Must Know First! The rate of heat transfer determines whether an object is a good or poor conductor. Air is a poor conductor of heat and many objects that reduce heat loss via conduction is because they contain/trap pockets of air. Some common examples are: fibreglass – used as insulator in … Read more

Important Facts That You Must Know First! You need to first identify whether the question is asking you about production or transmission of sound. When you discuss about production of sound, it is essential to identify the vibrating source and substantiate why the source is vibrating. For transmission of sound, it is important to describe … Read more