Development planning career assessment
The correct answer is simulacrum. This is a very complex term that describes an representation or an image of something. We can not state that simulacrum is not true. Perfect example of this are today 'fake news'. They do not conceal the truth, it is the truth that conceals that there is no actual truth and that everything is relative. Therefore, the simulacrum is actually true.
It depends. If the museum is famous and popular then there could be more than 100 people there. If the museum is small and unknown, then there could be very small groups. I didn't really understand your question but I hope this helps!