1. What is independent variable?Ans: The independent variable is one of that variable that is changed varied or manipulated by the scientist. 2. What is depedent variable?Ans: Dependent variable is the response that is measured. 3.What is control variable?Ans: Control variable are quantities that a scientists wants to remain constant and she or he must…
Unit 1- Mechanics Chapter 1 – Physical Quantities Measurement The process of comparing an unknown physical quantity with known fixed unit quantity is called measurement. Physical Quantity Those quantity which can be measured and can be expressed in numerical value are called physical quantity. Example : Mass, Length, Time etc A physical quantity is expressed…
Unit-2 CHAPTER 9 – Heat and Temperature Heat It is a form of energy which flows from body at a higher temperature to a body at lower temperature and it gives the sensation of hotness or coldness. It is also defined as sum of kinetic energy of molecule of given body. unit:- its unit is…
