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)
Animesh anand
OPTICS :polarization,wave plate,diffraction,double refraction,and optical rotation,group velocity and phase velocity OSCILLATION:Superposition of two or more simple harmonic,Damped and force oscillation, lissajous figure and condition of S.H.M for calculate time period