Physics

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  • Thermal Expansion of Solids, Liquids and Gases

    The change in temperature of a body causes expansion or contraction of that body. Most of the substances expand on heating and contract on cooling. This is called thermal expansion. It is interesting to know why the level of mercury rises with temperature, wires attached to electric poles contract or expand with change in season, etc. This all is due to thermal expansion.

  • Magnetic effects of Electric Current

    A current carrying conductor creates a magnetic field around it, which can be comprehended by using magnetic lines of force or magnetic field lines. Magnetic field in a current carrying straight conductor is in the form of concentric circles around it. The direction of magnetic field; in relation to direction of electric current through a straight conductor can be depicted by using the Right Hand Thumb Rule which is also known as Maxwell’s Corkscrew Rule.

  • What Stephen Hawking’s final Research paper explains?

    Stephen Hawking was a renowned scientist of modern times. His contributions regarding universe, black hole theory and relativity is groundbreaking and do you know that recently Hawking's final scientific paper that has been completed before his death in March has now been written and released by his colleagues at Cambridge and Harvard University.

  • Science and Tech Weekly Brief: Important updates from December 12- 18, 2020

    Take a look at the detailed list of major events in Science and Technology that have occurred in the past one week that is from December 12-18, 2020. Know all about ISRO’S 42nd Communication Satellite, and a new kind of Plasmodium causing deadly malaria here

    Dec 18, 2020

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