Electro-cardiograph was invented by:
- (A) James Watt
- (B) T.H. Huxley
- (C) William Einthoven
- (D) Chester Carlson
- (C) William Einthoven
Which of the following is the invention of Jarvik?
- (A) Color photos
- (B) Artificial heart
- (C) Photo-phone
- (D) Artificial brain
- (B) Artificial heart
In 1643, “Torichelli” invented the first what?
- (A) Manometer
- (B) Pyrometer
- (C) Barometer
- (D) Altimeter
- (C) Barometer
Gamma rays were discovered by:
- (A) Roentgen
- (B) Henri Becquerel
- (C) Paul Villard
- (D) Rutherford
- (C) Paul Villard
Who was the inventor of watch?
- (A) Judson
- (B) M. Davis
- (C) A.L. Breguet
- (D) Thomas Edison
- (C) A.L. Breguet
What was invented by James Dewar in 1872?
- (A) Jet Engine
- (B) Thermosflask
- (C) Spinning Jenny
- (D) Steam Engine
- (B) Thermosflask
The ‘Velocity of light’ was first measured by:
- (A) Albert Einstein
- (B) Isaac Newton
- (C) Ole Roomer
- (D) Galileo Galilee
- (C) Ole Roomer
In 1816, Rene Laennac invented which aid for doctors:
- (A) Thermometer
- (B) Glucometer
- (C) Stethoscope
- (D) Sphygmomanometer
- (C) Stethoscope
Who invented the bicycle?
- (A) Nelson
- (B) Karl von Drais
- (C) Thomas Stevens
- (D) John Hall
- (B) Karl von Drais
In 1774, Oxygen was discovered by:
- (A) Newton
- (B) Rutherford
- (C) Priestly
- (D) Faraday
- (C) Priestly