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