After studying this unit, the students will be able to:
define temperature (as quantity which determines the direction of flow of thermal energy).
define heat (as the energy transferred resulting from the temperature difference between two objects).
list basic thermometric properties for a material to construct a thermometer.
convert the temperature from one scale to another (Fahrenheit, Celsius and Kelvin scales).
describe rise in temperature of a body in terms of an increase in its internal energy.
define the terms heat capacity and specific heat capacity.
describe heat of fusion and heat of vaporization (as energy transfer without a change of temperature for change of state).
describe experiments to determine heat of fusion and heat of vaporization of ice and water respectively by sketching temperature-time graph on heating ice.
explain the process of evaporation and the difference between boiling and evaporation.
explain that evaporation causes cooling.
list the factors which influence surface evaporation.
describe qualitatively the thermal expansion of solids (linear and volumetric expansion).
explain thermal expansion of liquids (real and apparent expansion).
solve numerical problems based on the mathematical relations learnt in this unit.
9th Physics Notes
9th Physics Chapter 8
Class IX Helping Notes
Matric Part-1 Notes
Aim and Purposes:
Education is very expensive nowadays. Our only purpose is to educate everyone for free. We want to bring an educational revolution. Our aim is that nobody should be left behind, everyone should get knowledge and quench his thirst for knowledge. For this noble cause, we have hired a lot of experienced teachers and technical experts, who are serving you without any cost. If you want to be a part of this noble cause, you can contact us at email@example.com
Report a mistake:
EducatedZone has been working for the help of students since 2017. With the passage of time, many senior students and teachers have joined our team to become the part of this noble cause. They provide us notes and helping material to share with public. As different persons are notes provider so there may be a chance of mistake in some notes. Although it happens rarely, but if you find some mistake in the helping material, you can report it at firstname.lastname@example.org