Who discovered that the velocity of sound in a gas depends directly on the ratio of specific heats? MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Inventions and Discoveries Questions
Question #1
Report Error
The invention of the fiber-optic communication system was revolutionized by the research of which Anglo-Chinese physicist?
Correct Answer: Option C
Explanation:
Charles K. Kao won the 2009 Nobel Prize in Physics for groundbreaking achievements concerning the transmission of light in fibers for optical communication.
Charles K. Kao won the 2009 Nobel Prize in Physics for groundbreaking achievements concerning the transmission of light in fibers for optical communication.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
Report Error
Who invented the relational database management model (RDBMS), organizing data into structured rows and tables?
Correct Answer: Option A
Explanation:
Edgar F. Codd formulated the structural relational database design theory while working at IBM in 1970.
Edgar F. Codd formulated the structural relational database design theory while working at IBM in 1970.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
Report Error
The invention of the barcode system for scanning retail merchandise was patented by whom?
Correct Answer: Option D
Explanation:
Woodland and Silver patented the bullseye and linear barcode design in 1952, inspired by Morse code tracking patterns.
Woodland and Silver patented the bullseye and linear barcode design in 1952, inspired by Morse code tracking patterns.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
No comments yet. Be the first to start the discussion!