Monday 3 December 2012

Time Dilation is Real Effect, Time Dilation in Relativity, What is Time Dilation?


TIME DILATION IS A REAL EFFECT - TIME DILATION IN RELATIVITY - WHAT IS TIME DILATION?

Time Dilation concept has been experimentally verified by an example of cosmic ray particles called mesons. Mu Mesons are created at high altitude in the earth atmosphere (=10 km) by the fast cosmic ray photons and are projected towards the earth surface with a very high speed of about m/sec which is 0.998 c. Mu mesons are unstable and decay into electron or positron with an average life time of about .

Hence in its life time a Mu meson can travel a distance

But the question is that Mu meson travel a distance of 10 km to reach the earth surface. This is possible by time dilation.
In its own frame, Mu mesons have an average life time is 
.

Now 



This example explains the presence of Mu mesons on the earth. Hence we can say that time dilation is real effect. 



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