What are the types of substances in Class 9?
A homogeneous material that contains particles of only one kind and has a definite set of properties is called a pure substance.
e.g. Iron, silver, oxygen, sulphur, Carbon dioxide etc., are pure substances because each of them has only one kind of particles.
Get the detailed notes of class9 chapter "Is matter around us pure" from the below link
Let’s make Physics and Chemistry easy with Physicswallah, PW Pathshala Courses for JEE, NEET | Class 6, 7, 8, 9, 10, 11, 12 | NCERT Solutions want to read more about Physics Wallah visit our website@ More
Advantages and Disadvantages of Friction Class 8 Physics Wallah Notes
Physics Wallah provides the complete notes of class 8 Advantages and Disadvantages of friction with a diagrammatic representation so that students find it easy to recall during their exams
List of NCERT Solutions for Class 7 All Subjects
The academic team of Physics Wallah consists of expert faculties from different CBSE schools and prepared detailed solutions to all questions given in the exercise of the NCERT textbook. The below-mentioned Links are solutions of the NCERT textbook as per the Subjects.
NCERT Solutions for Class 7 English
NCERT Solutions for Class 7 Science
NCERT Solutions for Class 7 Maths
NCERT Solutions for Class 7 Hindi
NCERT Solutions for Class 7 Social Science
Physics is the subject of experiments and research. The more we experiment the better way we learn it. So keeping in mind the importance of physics in our daily life we have provided a complete list of all physics articles for the students of all classes.
10 Easy To Make Science Projects For Class 7 Students
Looking for the coolest science projects for your grade seven child? Here are some very popular & interesting science projects you can refer to
In this blog, we will suggest 10 easy-to-make kids-friendly science projects that will help them grow their domain of science knowledge and critical thinking.
What are Compound Pendulum Formulas and Derivations?
The mass of the bob should be concentrated at one point in a basic #pendulum, in theory, however, this is impossible to do in reality. The majority of pendulums are #compound, having an #oscillating mass dispersed across a certain area. Get to know the complete derivation and its concept
1 Billion in Rupees - Conversion, Solved Examples, FAQs | PW
1 billion in rupees is 10,000 million. 1 billion is a natural number and is given by 1,000,000,000. The number before 1 billion is 999,999,999 and the following number is 1,000,000,001.