General Knowledge for Competitive Exams

Read: General Knowledge | General Knowledge Lists | Overview of India | Countries of World

Emerging Computer Technologies

Dec 11, 2010
Emerging Computer Technologies

Domain What It Is

Dec 11, 2010
Domain What It Is

Computer timeline

Dec 11, 2010
The marvels of electronic miniaturization that are modern PCs are a relatively recent development. They are the descendants of vacuum- tube devices introduced in the early 20th century.

Waves

Dec 11, 2010
A wave is a phenomenon whereby energy is moved without the transference of any material. X-rays, ultraviolet rays, light and radio waves all travel at the same speed through a vacuum.

The Kinetic Theory Of Matter

Dec 11, 2010
When a red hot piece of iron cools down, it transfers energy to its surroundings in three possible ways: conduction, convection or radiation.

The Four Fundamental Forces

Dec 11, 2010
The interactions between matter can be explained by four forces.

States of Matter

Dec 11, 2010
States of Matter

Special And General Theories Of Relativity

Dec 11, 2010
Special theory of relativity was formulated by Einstein.

Radioactivity

Dec 11, 2010
Radioactivity was gradually understood in terms of the disintegration of atomic nuclei. The three types of radiation are alpha decay, beta decay and gamma decay. Alpha radiation occurs when an unstable nucleus breaks down so as to eject a fast-moving nucleus of helium, which consists of two protons and two neutrons.

Nuclear Fission And Fusion

Dec 11, 2010
Otto Hahn and Fritz Strassman (1902-80) discovered nuclear fission in 1938. When an isotope of uranium-235 was bombarded with neutrons, it split into two lighter nuclei along with, on average, three neutrons. These neutrons were capable of bombarding and splitting other nuclei, causing more fission to take place.

Motion And Mechanics

Dec 11, 2010
Kinematics covers a broad range of topics, from bodies falling to earth, to the description of bodies moving in a straight line, to circular motion.

Measurement Units

Dec 10, 2010
Measurement Units

Introduction to Physics

Dec 10, 2010
Physics is the study of the basic laws that govern matter.

Heat and Work

Dec 10, 2010
Modern physics sees heat as energy collectively possessed by the particles making up a gas, liquid or solid. A body which possesses energy has the ability to do work.

Electromagnetism

Dec 10, 2010
Electromagnetism is the study of the effects caused by stationary and moving electric charges.

Electric Current

Dec 10, 2010
In the late 1790s, Count Alessandro Volta made the first battery. The first practical primary cell (non-rechargeable) was produced by John Frederic Daniell (1790-1845) in 1836, using zinc and copper electrodes. This was followed by the first secondary (rechargeable) cell invented by Gaston Plante (1834-89) in 1859.

Atomic Theories

Dec 10, 2010
John Dalton revolutionized science in 1803 when he hypothesized that atoms of different chemical elements, such as hydrogen and oxygen, had different characteristic masses. J.J. Thomson discovered the first subatomic particle -the electron - in 1897.

The Elements

Dec 10, 2010
It was Lavoisier who produced the first fairly reliable list of elements. However, it contained substances which had not, up to that time, yielded up their true elements, such as magnesia.

States of Matter

Dec 10, 2010
Matter can exist in three states - solid, liquid or gas (vapour). Virtually all substances are able to exist in more than one of these three states.

Organic Chemistry

Dec 10, 2010
Organic Chemistry

Register to get FREE updates

    All Fields Mandatory
  • (Ex:9123456789)
  • Please Select Your Interest
  • Please specify

  • ajax-loader
  • A verifcation code has been sent to
    your mobile number

    Please enter the verification code below

This website uses cookie or similar technologies, to enhance your browsing experience and provide personalised recommendations. By continuing to use our website, you agree to our Privacy Policy and Cookie Policy. OK