In order to grasp the topics explained in a subject, the best way is to practice the different types of problems based on those topics. For this, NCERT books are considered to be the best source as ...

Have you ever heard of a Perpetual Motion Machine? More to the point, have you ever heard of why Perpetual Motion Machines are impossible? One of the reasons is because of the first law of ...

Learn all about thermodynamics, the science that explores the relationship between heat and energy in other forms. When you purchase through links on our site, we may earn an affiliate commission.