# Physics

## What is Constant Velocity?

When you read mechanics, you will hear the words “uniform velocity” or “constant velocity“. These two words mean the same thing. That is, constant velocity is called uniform velocity. There are many concepts …

## What is the Zero Vector(Null Vector)?

In this tutorial, we will discuss an important topic of vectors. Which you call zero vector or null vector. Many people have misconceptions about this zero vector or null vector. So, I would …

## What are Vectors in Physics?

A physical quantity is a quantity whose physical properties you can measure. Such as mass, force, velocity, displacement, temperature, etc. Suppose you are told to measure your happiness. In this case, you can …

## What is a System of Particles?

Simply put, in mechanics, the system of particles is the sum of more than one specified particle. So, look at this figure below Here we have taken N particles. And the mass of …

## What is a Hamiltonian Operator?

When you study quantum mechanics, there you have to work with different operators. So, here we will discuss in-depth the Hamiltonian Operator(H) which we call Total Energy Operator(H). Here we know that according to …

## Best Classical Mechanics books for You

You have read various physics books in high school. And when you get admission in physics in college, you will need a particular book for a particular topic. That is, not everything in …

## How many valence electrons does carbon have?

Many of you have this question of how many electrons are in the last cell of carbon or how many valence electrons does carbon have? In simple words, the number of electrons present …

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