Can I work in IT field with MS degree in Physics

Attorney Wendy has given great advice - consider getting a degree in Comp Sci

Can company file eb1 green card without filing L1 visa

You don't need to be in L-1 status in order to qualify

What are my options of getting a green card and what are some ways I could make this happen?

You can try contacting some employers to see if they will sponsor you.

What shall I do to take care of it?

What was the conviction for? If it involved marijuana you should consult with an attorney ASAP.

How long will it take to get a decision on my husband's I-601 waiver?

A long time but you can try to ask a Congressperson to help your case be expedited.

What does your SEVIS status say? You can check with your DSO.

Can you make a quick trip outside of the U.S. and re-enter?

Should we file I-539 or go for visa stamping?

Try contacting the Ombudsman Office to get the corrected notice re-issued.

Based on your statements it doesn't look like you need a co-sponsor.

What are the education requirements for Australian degrees for EB2?

You would need to have your degrees evaluated by a credential evaluation service such as Morningstar or TrustForte.