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)
Ruby negi
i did silly mistake in finding time taken by particle to cross rod in lab frame in the previous attached solution, here is the correct.. because in lab frame frame, both particle and rod is moving.. see the solution... hope this will help u.. best regards.