Natural Numbers Natural numbers are defined as the numbers that are used for counting and ordering. Hence the set of Natural numbers is shown as N ={1,2,3,4………} Whole Numbers All-natural numbers including zero(0) are called whole numbers. Hence the set …
What is a heat engine? Heat engine is a device which converts heat into useful mechanical energy. Name the two types of heat engines. A) External combustion engine B) Internal combustion engine. Explain the basic principle of a heat engine. …
Chemical reactions are the processes in which new substances with new properties are formed. Only a rearrangement of atoms takes place in a chemical reaction. The substances which take part in a chemical reaction are called reactants. The new substances …
Just as distance and displacement have distinctly different meanings (despite their similarities), so do speed and velocity. Speed is a scalar quantity that refers to “how fast an object is moving.” Speed can be thought of as the rate at which an object covers …
