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)
Sajan sarthak
whether the slow or fast component is vibrating in the longest direction of the crystal. If the slow component vibrates in the longest direction of the mineral, the mineral is said to have a positive sign of elongation or is "length-slow". On the other hand, if it has a negative sign of elongation it is called "length-fast".