Discovery & Inventions - Online Test

Total Number of Questions in this Test: 10
Total Number of Questions Answered: 0
Total Number of Questions Skipped: 0


Time left:
 
Question : 1

In 1948, Holography was invented by

Options :
  •  Tivadar Puskas
  •  Leo Szilard
  •  Eugene Wigner
  •  Dennis Gabor