Physics XI | 1.4.3 Strong Nuclear Force
1.4.3 Strong Nuclear Force The strong nuclear force binds protons and neutrons in a nucleus. It is evident that without…
Physics XI | 1.4.2 Electromagnetic Force
1.4.2 Electromagnetic Force Electromagnetic force is the force between charged particles. In the simpler case when charges are at rest,…
Physics XI | 1.4.1 Gravitational Force
1.4.1 Gravitational Force The gravitational force is the force of mutual attraction between any two objects by virtue of their…
Physics XI | 1.4 FUNDAMENTAL FORCES IN NATURE
1.4 FUNDAMENTAL FORCES IN NATURE We all have an intuitive notion of force. In our experience, force is needed to…
Physics XI | 1.3 PHYSICS, TECHNOLOGY AND SOCIETY
1.3 PHYSICS, TECHNOLOGY AND SOCIETY The connection between physics, technology and society can be seen in many examples. The discipline…
Physics XI | Hypothesis, axioms and models
Hypothesis, axioms and models One should not think that everything can be proved with physics and mathematics. All physics, and…
Physics XI | 1.2 SCOPE AND EXCITEMENT OF PHYSICS
1.2 SCOPE AND EXCITEMENT OF PHYSICS We can get some idea of the scope of physics by looking at its…
Physics XI | 1.1 WHAT IS PHYSICS ?
1.1 WHAT IS PHYSICS ? Humans have always been curious about the world around them. The night sky with Its…
CHEMISTRY X | TYPES OF CHEMICAL REACTIONS
During a chemical reaction atoms of one element do not change into those of another element. Nor do atoms disappear…
Science X | Balanced Chemical Equations
Balanced Chemical Equations Recall the law of conservation of mass that you studied in Class IX; mass can neither be…