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General Knowledge for Competitive Exams

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How are cyclones named in the world?

May 17, 2021
In the beginning, the cyclones were named arbitrarily after boats, catholic saints, etc. In the early 1900s, feminine names were given to cyclones while the male names were inducted from 1979. At present, the cyclones are named in a systematic way.

All about the Space Hurricane spotted over North Pole

Mar 18, 2021
A 620-mile-wide swirling mass of plasma was observed rolling for almost 8 hours in the Earth's upper atmosphere. This is called space hurricane by the scientists. Know all about it below. 

What is Nuclear Doctrine of India-Know about No First Use policy, Nuclear Treaties, NSG, NPT here

Dec 1, 2020
India believes in a universal, verifiable and non-discriminatory nuclear disarmament for the elimination of nuclear weapons from around the globe. Check out the details of India's Nuclear Doctrine, its significance and where it stands on global nuclear strength here

Copernicus Sentinel-6 Michael Freilich Satellite: All you need to know about the Jason-CS mission

Nov 27, 2020
The Jason Continuity of Service or Jason-CS mission is an international partnership between the United States and Europe on the Sentinel-6 satellite to monitor oceans. 

Major Climatic Regions of the world

Dec 20, 2018
The world has several climatic zones but geographer defined the climatic region is based on maximum and minimum temperatures and the temperature range as well as the total and seasonal distribution of precipitation for better understanding. Find out the Major Climatic Regions of the world which is very useful for the preparation of competitive examinations like UPSC-prelims, SSC, State Services, NDA, CDS, and Railways etc.

Weather Disturbances

Nov 29, 2014
Weather is the state of the atmosphere, to the degree that it is hot or cold, wet or dry, calm or stormy, clear or cloudy.

Precipitation

Nov 29, 2014
Precipitation occurs when a portion of the atmosphere becomes saturated with water vapour, so that the water condenses and "precipitates".

Earth’s heat budget and its radiation balance

Nov 29, 2014
Earth's heat-budget or Earth's radiation balance refers to the net flow of energy into Earth in the form of shortwave radiation and the outgoing infrared long-wave radiation into space.

Atmospheric Circulation

Sep 15, 2012
Atmospheric circulation is a movement of air at a larger scale by which the earth's surface is covered and distributed over by thermal energy

Rutherford Scattering

Sep 14, 2012
Rutherford Scattering is a phenomenon explained by Ernest Rutherford in 1911

Compton Scattering

Sep 14, 2012
Compton observed the scattering of x-rays from electrons in a carbon target and found scattered x-rays with a longer wavelength than those incident upon the target.  

Electromagnetic Scattering

Sep 14, 2012
Electromagnetic scattering is the physical effect of an electromagnetic wave, such as light or radio waves, hitting an object

Scattering Theory

Sep 14, 2012
In mathematics and physics, scattering theory is a framework for studying and understanding the scattering of waves and particles.

Single and Multiple Scattering

Sep 14, 2012
Single and multiple scattering contributions to the circumsolar radiation along the almucantar and sun vertical have been computed by a Gauss-Seidel solution to the radiative transfer equation.

Dielectric Constant and Momentum

Sep 14, 2012
The dielectric constant is the relative permittivity of a dielectric material. It is an important parameter in characterizing capacitors. Momentum is a corner stone concept in Physics. It is a conserved quantity.  

Refractive Index: Lenses

Sep 14, 2012
  Thinner, lighter high-index lenses are especially recommended if you have a strong eyeglass prescription for nearsightedness, farsightedness or astigmatism.  

Refraction and Reflectivity

Sep 14, 2012
The refractive index is retrieved from direct phase and amplitude measurements for transmission and reflection, which are all in excellent agreement with simulations. The reflection angle is equal to the incidence angle, and the amount of light that is reflected is determined by the reflectivity of the surface.

Refractive Index: Phase Speed

Sep 13, 2012
The refractive index can be defined as the ratio of the speed of light in vacuum and the phase speed of light in a material.

Zones

Dec 10, 2010
The globe is divided into three temperature zones. 1. Tropical Zone : It extends between Tropic of Cancer and Capricorn. High temperature prevails throughout the year.

Wind

Dec 10, 2010
Due to horizontal differences in air pressure, airflows from areas of high pressure to areas of low pressure. Horizontal movement of the air is called wind.

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