Answer:
1 - False
2 - False
3 - True [for prism which can separate white light into 7, i.e, ordinary prism]
4 - False [for the type of prism stated above]
5 - True
Explanation:
If you can, get a picture of a normal prism and look at it. There are MANY different types of prisms. The answers I have given above are only applicable to the prism we refer to normally, i.e., the pyramid-like shaped one.