Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Knowledge Geography (World Geography) Origin and evolution of Universe Solar system
Who coined the term 'black hole'?
1
CV Raman
2
John A Wheeler
3
Kip Thorne
4
More than one of the above
5
None of the above