In terms of wavelength, there are seven types of electromagnetic waves in the spectrum of light. Radio wave is one of those. In this article, we’re going to learn all characteristics of radio waves including their wavelength, color and uses. This article answers the following questions – What are Radio waves? A radio wave is … Read more
Suppose you need to measure the length of a notebook. What will you do? I guess, you will measure it with your ruler scale. That’s fine because you don’t have to consider the error here. But if you are asked to measure the thickness of a thin rectangular plate, then which instrument will you use? … Read more
If a body has an unequal number of protons and electrons then we call it a charged body. It can have either positive charges or negative charges. Either type of charge can produce an electric field near it. The amount of charges and the shape of the body determine the type and value of the … Read more
‘Cell and Battery are not the same things‘. How? We all use Batteries in our daily life. Mobiles, Laptops, wall clocks and some other devices need this to work. Do you know why we use a Battery? Yes, it is the source of electricity. In recent times, Electric cars gained popularity. These cars also use … Read more
In another article, I’ve discussed the Potential energy of an object. It’s the ability to do work due to its position at a height above the ground. In this article, I’m going to explain what is gravitational potential energy and what are some examples of it. What is Gravitational Potential Energy? The work done in … Read more
Electricity is one of the most essential things in our daily life. To deal with an electrical circuit, we need to know the physical quantities associated with it. Current, Voltage, resistance, power, etc. are among those quantities. Many scientists have given various laws of electricity and explained how to determine such physical quantities in a … Read more
The acceleration of a moving object depends on the net force acting on it. Therefore, the net force is an important quantity to study the dynamics of an object. In another article, we discussed equations for different types of Forces. In this article, I’m going to explore the Force of Friction in detail – its … Read more
We cannot get any energy directly unless it is the light energy of the Sun. Luckily, we have enough mechanisms that can transform light energy into other forms like heat, electricity, chemical energy, etc. These energies can also be transformed among themselves. In this article, I’m going to explore different types of transformation of energy … Read more
Momentum is a physical state of an object when it is in motion. A moving car cannot be stopped immediately after applying the break. It stops after moving a little distance because of its momentum. The position and momentum of a mechanical system describe the entire dynamics of the system. Therefore, the study of momentum … Read more
Earlier we have discussed the basic properties, examples, types and applications of semiconductor materials. We became to know that semiconductors are not excellent conductors of electricity at room temperature. That means a pure semiconductor is not suitable for conducting current and hence it cannot be used to design electronic devices. But there is a solution. … Read more