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Class 12 Notes

Unit 2.2 Cost and Cost Curves

Basic Concept of Cost Cost (लागत) refers to the total expenditure incurred by a producer...

Unit: 2.1 Market and Revenue Curves

Concept of Market (बजारको अवधारणा) The term market does not only mean a physical place...

Basic Concepts of Economics and Allocation of Resources Notes-Chapter 1

Introduction to Economics Defining economics is not simple because there is no single agreed-upon definition....

Chapter 25: Recent Trends in Physics

25.1 Surface and Internal Waves Surface Waves Travel along Earth’s surface. Types: Rayleigh waves → Roll like ocean...

Chapter 24: Radioactivity and Nuclear Reaction

24.1 Alpha, Beta & Gamma Particles α-particle → Helium nucleus (2p + 2n), +2 charge,...

Chapter 23: Quantization of Energy

23.1 Bohr’s Theory of Hydrogen Atom 23.2 Spectral Series; Excitation and Ionization Potentials 23.3 Energy Level;...