Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
>
>


Chandra prakash Best Answer
here that the postulate of speecial theory of relativity are applicable in free space ...and for medium velocity decrease by n. where n is refractive index of the medium.... best regards
see