railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test General Knowledge Geography (World Geography) Origin and evolution of Universe Solar system
With respect to the Big Bang Theory, consider the following statements :
a. It is also called expanding universe hypothesis.
b. According to the theory, all matter forming the universe existed in one place in the form of a singular atom with an unimaginably small volume, infinite temperature and infinite density.
c. The theory believes that the universe is expanding continuously.
Which of the statement given above are correct?
1
a and b only
2
b and c only
3
a and c only
4
a, b and c