Internal Energy Whenever some process occur ,it is usually accompanied by some energy change. The energy may appear in different forms such as heat, light, work. The evolution or absorption of energy in different processes shows that every substance must be associated with some definite amount of energy ,the actual value of which depends upon the nature of the substance … [Read more...] about Internal Energy
work
Work
Question 1 Calculate the work done in lifting 200kg of water through a vertical height of 6 m? Question 2 Define the term work? Question 3 What is the S.I. unit of work? Question 4 Is work a scalar or a vector quantity? Question 5 Define 1 joule of work? Question 6 What are the quantities on which the amount of work depends? Question 7 What is the condition … [Read more...] about Work