Mr. Ali
Refraction of light through a prism equation
In the prism, the angle of incidence on the first face AB is i and the angle of refraction is r1, while the angle of incidence on the second face…
Refraction by lens class 10 physics
Refraction by lens A transparent medium surrounded by two curved surfaces, one or both of whose surfaces are spherical, is called a lens. There are two types of lenses- 1.…
Reflection of light class 10 physics
Reflection of light When a traveling ray of light hits a reflective surface, it returns back to the same medium or gets reflected, then this phenomenon is called reflection of…
Light Class 10th | Reflection, Refraction And Lens
What is light Light is a medium with the help of which we are able to see any objects. In the absence of light, we cannot see any object because…
Accuracy, Precision And Error Analysis
Accuracy, Precision And Error Analysis Accuracy All those observations taken by an instrument which are close to the actual value of a physical quantity are called actual values. That is,…
The universe | Big bang theory | How did the universe originate
The Universe The immense sky that surrounds the Earth and all the celestial bodies present in it (eg- Milky way, stars, planets, satellites, etc.) and the entire energy is called…
Total stars in the milky way | how many galaxies in the milky way
The milky way The milky way is a huge body of billions of stars. The stars remain bound to the galaxies, for this the gravitational force is responsible among the…
Why sky is blue in colour | What is Scattering of light
SCATTERING OF LIGHT When the sunlight travels in the Earth’s circle, it is scattered by the particles in the atmosphere. Light of shorter wavelengths is far more visible than that…
Why does celestial lightning fall ?
Have you ever wondered why celestial lightning falls and, then what causes it to fall? Why and how does such a loud sound come when lightning falls. So let’s start,…
Constellations | How the stars were born | Birth of stars
Constellation A group of stars appears to give the appearance of a particular shape when viewed from the earth. Our ancestors conceived some shapes in many names are known as…