45. What is invented by Watson-Watt?
(a) Radar(b) Jenkins(c) Colt(d) Galileo
45. What is invented by Watson-Watt? Read More »
44. Walter Hunt’s invention is:
(a) Pendulum(b) Safety-pin(c) Razor(d) Pistol
44. Walter Hunt’s invention is: Read More »
43. Colt’s invention is:
(a) Monotype(b) Pistol(c) Pendulum(d) Razor
43. Colt’s invention is: Read More »
42. Who invented the photographic paper?
(a) Bell(b) Spenser(c) Talbot(d) Spenser
42. Who invented the photographic paper? Read More »
41. Who invented colour photo?
(a) Gold mark(b) James C.Maxwell(c) Howe(d) Fulton
41. Who invented colour photo? Read More »
40. Which of the following is Edison’s invention?
(a) Photo phone(b) Phonograph(c) Photography(d) Telephone
40. Which of the following is Edison’s invention? Read More »
39. Which of the following is Galileo’s invention?
(a) Telephone(b) Pendulum(c) Frequency(d) Tank
39. Which of the following is Galileo’s invention? Read More »
38. Who invented the fountain pen?
(a) Waterman(b) Burson(c) Colt(d) Spenser
38. Who invented the fountain pen? Read More »
37. The inventor of the parachute is:
(a) Blanchard(b) Marconi(c) Richter(d) Berliner
37. The inventor of the parachute is: Read More »
36. Who invented the paper machine?
(a) Hoe(b) Bell(c) Dickinson(d) Marconi
36. Who invented the paper machine? Read More »