First ever nuclear explosion was named as
-
Ranger
-
Ivy
-
Trinity
-
Greenhouse
C
Correct answer
Explanation
The Trinity test was the first-ever nuclear detonation, conducted by the United States on July 16, 1945 in New Mexico as part of the Manhattan Project. 'Ranger' and 'Ivy' were later nuclear test series, not individual tests. 'Greenhouse' was another test series in 1951, well after Trinity.