Monthly Archives: August 2017

The Black hole

What is a black hole? A black hole is a location in space with such a strong gravitational field that the escape velocity exceeds the speed of light. What this means is that you require a velocity greater than the speed of light (a physical impossibility) to escape the black hole, as can be seen […]

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Mechanics and Properties of Matter

Mechanics is the study of motion of bodies or objects  Whats motion? When a body tries to change its position from one place to other with respective time, we say that the body is in motion. There are two types of motion: 1. Linear motion 2. Rotational motion Linear motion: A person walking on the floor […]

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The new High speed-Bullet trains

The world’s top no.1 is from CHINA: China is starting a worlds new fastest bullet train in this sept 21st 2017 From Beijing-Shanghai These trains can hit the speed of 400kmph but to avoid accidents they can be driven at 350kmph only World’s top 2 bullet train is from CHINA As spoken the second fastest […]

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Physical Quantities,Standards and Units

What are Physical quantities?  Physics laws can be explained in terms of Physical quantities such as time, force,temperature,density etc.. How Physical quantities are divided? They are mainly divided into two i.e1.Fundamental quantity2.Derived quantityDerived quantities definitions can be explained using other physical quantities where as fundamental physical quantities can be defined by itself as they are the basicSome […]

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