Maths
Sets
Sets, in mathematics, are an organized collection of objects and can be represented…
Maths
Coordinate Geometry Class 9
Organize Geometry for class 9 notes is given here. Get the total idea of arrange math…
Physics
CBSE Class 9 Science Chapter 12 Sound Notes
Have you ever used a musical instrument like a guitar, drum or a violin? When you st…
Physics
Heat : Introduction and Classification
According to heat definition , it is one of the essential forms of energy for the s…
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