The point of PHYSICS group is only for the study and discussion of physics .please cooperate with us 
Rules : 
1. One relevent post is mandatory like any question , or answering question , posting some related material if any member will not participate in consecutive 3 days will be removed and new one will be added  after every  3 days involvement will be checked 
2. Person sending Irrelevant data will be terminated without any warning 
3. personal chat not  allowed  rule 2 will apply
THANK YOU..🔭🔭🔭