Heat

Thermodynamics

Thermodynamics What is Thermodynamics? Thermodynamics is the sub-division of science that deals with the study of the combined effects of heat and work with changes in state confined by the laws of thermodynamics. Heat energy associated with chemical reactions is converted into different usable forms based on the laws of thermodynamics. The fact that energy can never Read more about Thermodynamics[…]

Maths 1

Permutations & Combinations – Problems

Permutations & Combinations – Problems Example 1: A question paper is divided into a sections A, B, C containing 3, 4, 5 questions respectively. Find the number of ways of attempting 6 questions choosing at least one from each section. Solution: First Method: The selection of a question may be of the following Section (A) Read more about Permutations & Combinations – Problems[…]