Daily Physics Discussion

Let's start discussion about Physics in daily life ...

[Video] : 5 Fun Physics Phenomena

Fun Physics phenomena you can do at home. Such as fun thing but increase our physics experience. It was explained well by Veritasiu...

[Video] : Physics in Everyday Life

This session explains What is physics and where we see physics in our everyday lives? It has explained clearly by Letstute Check this out!...

[Ask] : How can momentum but not energy be conserved in an inelastic collision?

All of the existing answers miss the real difference between energy and momentum in an inelastic collision. We know energy is always conserved and momentum is always conserved so how is it that there can be a difference in an inelastic collision? It comes down to the fact that momentum is a vector and energy is a scalar. Imagine for a moment there is a "low energy" ball traveling to the right. The individual molecules...

[History] : Newton's apple: The real story

We've all heard the story. A young Isaac Newton is sitting beneath an apple tree contemplating the mysterious universe. Suddenly - boink! -an apple hits him on the head. "Aha!" he shouts, or perhaps, "Eureka!" In a flash he understands that the very same force that brought the apple crashing toward the ground also keeps the moon falling toward the Earth and the Earth falling toward the sun: gravity.Or something like that. The apocryphal...

[Concept] : Archimedes Principle

Archimedes was the son of an astronomer. He had traveled to Alexandria, Egypt, a place of great learning, where he studied the works of some other mathematicians, like Euclid and Conon. Archimedes was friends with King Hieron II of Syracuse. Archimedes helped his friend King Hieron II by creating machines for the king’s army. The pulley was one of these inventions, but Archimedes thought the study of mathematics was the most important thing he could...

[Concept] : Laser and Hologram

A laser beam can cut through steel as easily as knife cuts through butter. A laser is a device that produces a powerful beam of light. The word ‘laser’ stands for Light Amplification by Stimulated Emission of Radiation. All lasers produce coherent light. Coherent light is very pure, which means that all the light waves have the same wavelength, they are all “in step” with one another, and they are all travelling in exactly the same direction....

[Concept] : Optics

Ever wondered why the beautiful rainbow occurs?  Have you ever seen water on road (and it being disappearing when you go close) on a hot summer day? Ever wondered how our eye works? Heard the stories of Archimedes destroying enemy ships by focusing sunlight using lenses over enemy ship? Well, all the answers lie in optics- one of the most fascinating topics in physics. What is light? Well in common terms, anything visible to our eyes is...

[Concept] : Conservation Law

If the laws of forces acting on a system’s particles and the state of the system at a certain initial moment are known, the motion equations can help predict the subsequent behaviour of the system, i.e. find its state at any moment of time. However, an analysis of a system’s behavior by the use of the motion equations requires so much effort, that a comprehensive solution seems to be practically impossible. Under these circumstances...

[Concept] : Basic Type of Thermometer

Concept: A thermometric property like length of a wire, resistance of a metallic and volume of a gas proportional to temperature. In this article let X0, X100, Xt be the parameters at ice point, steam point and unknown temperature, respectively. So t = (X0-Xt/X100-X0)1000C Thermometer: The instrument used to measure the temperature is called is called Thermometre. Classification: The classification is depending upon the physical...