Question 1
Who reveals to Luke that Leia is his twin sister?
- ALeia herself
- BYoda
- CObi-Wan's Force ghostCorrect
- DDarth Vader
After Yoda's death, Obi-Wan's Force ghost appears to Luke and confirms: 'The other he spoke of is your twin sister,' revealing that Leia Organa is Luke's sister.
As seen in: Return of the Jedi(Film)
Wookieepedia: Return of the Jedi