28 September, 2008
MASS
Mass is a measure of the quantity of inertia or matter possessed by a body. It is a scalar quantity and measured in kilograms.
(i) If a body has large inertia, it will resist a change in its state of rest or of uniform motion to a much greater extent than will a body with a [...]
22 September, 2008
Three simple laws have been stated to express the relationships between pressure, temperature and volume of gases. Though they are absolutely accurate only for ‘ideal’ gases, they are valid, to a great extent, for all gases.
(i) Boyle’s Law states that if the temperature remains the same, the pressure upon a confined body is inversely proportional [...]
13 October, 2007
Graman Peter Gruenberg and France’s Albert Fert win Nobel Prize 2007 in physics. Their research was on computer Hard Drive. This useful device is handy for any Gadget users who love to short date in a tiny size. The prize money of novel prize is 1.1 million euro.
4 October, 2007
The sky has spellbound the human brains from time immemorial. The Babylonians had studied the sky three thousand years before Christ. The Greek Thales and Hipparchus applied astronomy to geography. Aristarchus in the third century B.C. surprisingly theorized that the sun was at the centre of the universe.
Modern astronomy was founded by Nicholas Copernicus, [...]