After studying this unit, the students will be able to:
describe the crucial role of Physics in Science, Technology and Society.
explain with examples that Science is based on physical quantities which consist of numerical magnitude and a unit.
differentiate between base and derived physical quantities.
list the seven units of System International (SI) alongwith their symbols and physical quantities (standard definitions of SI units are not required).
interconvert the prefixes and their symbols to indicate multiples and sub-multiples for both base and derived units.
write the answer in scientific notation in measurements and calculations. describe the working of Vernier Callipers and screw gauge for measuring length.
identify and explain the limitations of measuring instruments such as metre rule, Vernier Callipers and screw gauge.
describe the need using significant figures for recording and stating results in the laboratory.
9th Physics Notes
9th Physics Chapter 1
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 firstname.lastname@example.org
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 email@example.com