Maxperson
Morkus from Orkus
If she said dispel the wand, there would be no effect since the wand is exhibited no magic of its own.
In first post, wizard said she wanted to cast dispel to "stop it." I wouldn't allow her to dispel invisibility because dispelling invisibility wouldn't stop it.
Whereas I would have asked for clarification, rather than just assumed that the dispel would be on the wand. There could be magic propelling it, as well as someone invisible. Let's just say she wanted to cast dispel on the effect propelling the wand in order to "stop it", well the only effect going on would be invisibility, so that would be targeted.