General Knowledge : : Inventions Questions & Answers

  1. Who invented the hydrogen bomb?

A. J.Robert Oppenheimer

B. Albert Einstein

C. Samuel Cohen

D. Edward Teller

  1. Digital Camera is invented by ________

A. Steven Sasson

B. John Napier

C. Joseph Niepce

D. Rane Laennec

  1. Who is the inventor of Thermometer?

A. Sir Thomas Allbutt

B. Anders Celsius

C. Daniel Gabriel Fahrenheit

D. Galileo

  1. Who is the inventor of the first artificial Refrigerator?

A. Wallace H. Coulter

B. Johannes Gutenberg

C. Thomas Crapper

D. William Cullen

  1. Who invented the Light Emitting Diode(LED)?

A. Zacharias Janssen

B. Adolph Rickenbacker

C. Nick Holonyak

D. Percy Spencer