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)
Rahul kumar
Answer: 3 The number of mirror planes in 2/3bar3 point group is 3. All three mirror planes are parallel to the three crystallographic axis. I have attached the stereogram of 2/mbar3 point group. You can notice that this point group has 3 mirror planes.