Q. Consider the following statements about the LISA Pathfinder Mission:
  1. The mission is being carried out jointly by NASA and ESA (European Space Agency (ESA) 
  2. The prime objective of the mission is to study gravitational waves
Which of the above statements is/are correct?

Answer: Both 1 & 2
Notes: Both are correct statements
The LISA Pathfinder mission is being carried out jointly by NASA and ESA (European Space Agency). It utilizes the distance and movement of the two gold-platinum cubes to detect gravitational waves.