Lecture - 9 Electromagnetic waves - I

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Uploaded by on Jan 20, 2009

Lecture Series on Physics - I: Oscillations and Waves by Prof.S.Bharadwaj,Department of Physics and Meteorology, IIT Kharagpur. For more details on NPTEL visit http://nptel.iitm.ac.in.

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  • @davydany of course

  • nice one

  • i thought u never know where a particle is according to the heisenberg uncertainty principle...

  • sir, you really are a life saver... ! :)

  • @GingleGangle1 IIT is India's version of MIT. If you graduate from IIT, you're considered to be one of the top most engineers in the world. Its a very prestigious institute.

  • Is this in an university?

  • Eighdeen eighdees nuts

  • no (x,y,z) is a co-ordinate, [x,y,z] is a vector.. nub

  • What one can do is write these with their basis vectors: (t e_0, x e_1, y e_2, z e_3), so that t, x, y, and z are scalars as you say. The combination of x e_1 does behave like a vector. While the norm of the basis vectors is 1 in flat spacetime, they can be greater or less than 1 in curved spacetime.

  • x,y and z are scalar, too. only (x,y,z) is a vector ;)

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