Which of the following statements is/are correct?_x005F_x000D_ 1.In June 2016, the LIGO group of scientists announced the detection of a second set of gravitational waves._x005F_x000D_ 2.Gravitational waves were generated due to merger of two black holes at about 1.4 billion light-years distant._x005F_x000D_ 3.Gravitational waves were inserted due to collision of two white dwarf stars at about 1.4 billion light-years distant._x005F_x000D_ Select the correct answer using the code given below._x005F_x000D_

Which of the following statements is/are correct?_x005F_x000D_ 1.In Ju

1.	Which of the following statements is/are correct?_x005F_x000D_ 1.In June 2016, the LIGO group of scientists announced the detection of a second set of gravitational waves._x005F_x000D_ 2.Gravitational waves were generated due to merger of two black holes at about 1.4 billion light-years distant._x005F_x000D_ 3.Gravitational waves were inserted due to collision of two white dwarf stars at about 1.4 billion light-years distant._x005F_x000D_ Select the correct answer using the code given below._x005F_x000D_
A.	1 only
B.	1 and 2 only
C.	2 and 3 only
D.	1, 2 and 3
Answer» E.