Answer : 3. "भौतिक विज्ञानी"
Explanation :

Solution: Italian theoretical physicist Carlo Rowels claims that 'the universe must have been formed due to a big bang. In Dr. Rowley's latest work, White Holes: Inside the Horizon, he explains the theoretical existence of white holes – the opposite of black holes. While black holes are considered to be the final graveyard of all matter from where nothing, not even light, can escape. On the other hand, white holes can create a new universe.