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Author: Dr Sushil Kumar

This author has written 388 articles
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Relativistic Mass in Special Theory of Relativity

  • Post author:Dr Sushil Kumar
  • Post published:06/02/2017
  • Post category:Class Notes
  • Post comments:0 Comments
  • Post last modified:22/08/2019
  • Reading time:1 min read

In classical mechanics, mass of a particle is considered to be a constant quantity and independent of its velocity. However in relativistic mechanics the length, time and mass also depends…

Continue ReadingRelativistic Mass in Special Theory of Relativity

Length Contraction | Special Theory of Relativity|

  • Post author:Dr Sushil Kumar
  • Post published:03/02/2017
  • Post category:Class Notes
  • Post comments:0 Comments
  • Post last modified:22/08/2019
  • Reading time:1 min read

In this video lecture I have discussed about the Length Contraction.  To understand it the basic information about the two transformations (Galilean and Lorentz) are important. It is based on…

Continue ReadingLength Contraction | Special Theory of Relativity|

Galilean Transformation |Special Theory of Relativity|

  • Post author:Dr Sushil Kumar
  • Post published:03/02/2017
  • Post category:Class Notes
  • Post comments:0 Comments
  • Post last modified:23/02/2026
  • Reading time:4 mins read

   The Einstein in 1905 introduce the concept of Special Theory of Relativity. In our daily life we see the effects of the relative motion, for an example if suppose…

Continue ReadingGalilean Transformation |Special Theory of Relativity|

Time Dilation |Special Theory of Relativity|

  • Post author:Dr Sushil Kumar
  • Post published:01/02/2017
  • Post category:Class Notes
  • Post comments:0 Comments
  • Post last modified:21/08/2019
  • Reading time:4 mins read

In this video lecture I have discussed about the time dilation, which comes under the Special theory of Relativity Unit. To understand this concept the basics like frame of reference,…

Continue ReadingTime Dilation |Special Theory of Relativity|
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