Comments on: Einstein mass energy relation discussion and derivation https://winnerscience.com/einstein-mass-energy-relation-discussion-and-derivation/ Science Articles for Winners Mon, 05 Dec 2011 15:19:47 +0000 hourly 1 https://wordpress.org/?v=6.9 By: Variation of mass with velocity and its derivation https://winnerscience.com/einstein-mass-energy-relation-discussion-and-derivation/#comment-299 Mon, 05 Dec 2011 15:19:47 +0000 https://winnerscience.com/?p=2374#comment-299 […] 4.      Einstein mass energy relation […]

]]> By: amit_physics https://winnerscience.com/einstein-mass-energy-relation-discussion-and-derivation/#comment-298 Wed, 12 Oct 2011 13:28:34 +0000 https://winnerscience.com/?p=2374#comment-298 In reply to muthu pandy.

according to me, fiber is costlier than wire. It may also depend upon the type of the fiber. For example, it is mono mode or multi mode

]]> By: muthu pandy https://winnerscience.com/einstein-mass-energy-relation-discussion-and-derivation/#comment-297 Tue, 11 Oct 2011 16:46:18 +0000 https://winnerscience.com/?p=2374#comment-297 Is the copper wire is costlier than optical fibre? If yes why we prefer copper wire to optical fiber for landline phone application

]]> By: amit_physics https://winnerscience.com/einstein-mass-energy-relation-discussion-and-derivation/#comment-296 Tue, 11 Oct 2011 14:43:05 +0000 https://winnerscience.com/?p=2374#comment-296 In reply to MUTHUPANDY.

Because it costs more than the normal wire.

]]> By: MUTHUPANDY https://winnerscience.com/einstein-mass-energy-relation-discussion-and-derivation/#comment-295 Tue, 11 Oct 2011 12:23:24 +0000 https://winnerscience.com/?p=2374#comment-295 Why optical fibre is not used in the household phone application?

]]>