General Knowledge : : Inventions Questions & Answers
- Who invented the hydrogen bomb?
A. J.Robert Oppenheimer
B. Albert Einstein
C. Samuel Cohen
D. Edward Teller
- Digital Camera is invented by ________
A. Steven Sasson
B. John Napier
C. Joseph Niepce
D. Rane Laennec
- Who is the inventor of Thermometer?
A. Sir Thomas Allbutt
B. Anders Celsius
C. Daniel Gabriel Fahrenheit
D. Galileo
- Who is the inventor of the first artificial Refrigerator?
A. Wallace H. Coulter
B. Johannes Gutenberg
C. Thomas Crapper
D. William Cullen
- Who invented the Light Emitting Diode(LED)?
A. Zacharias Janssen
B. Adolph Rickenbacker
C. Nick Holonyak
D. Percy Spencer