Question

Match List I with List II and select answers from the codes given below :

List I Scientist	List II Invention
a. Galileo Galilei	I. Telephone
b. Thomas Alva Edison	II. Cathode Ray Tube
c. Alexander Graham Bell	III. Telescope
d. Karl Ferdinand Braun	IV. Electric Light Bulb

1. a-I, b-III, c-IV, d- II
2. a-III, b-II, c-I, d-IV
3. a-I, b-IV, c-II, d-III
4. a-III, b-IV, c-I, d-II

Answer 1

Correct Answer - Option 4 : a-III, b-IV, c-I, d-II

The correct answer is a-III, b-IV, c-I, d-II.

• Galileo Galilei
  • He was a natural philosopher, astronomer, and mathematician.
  • He made fundamental contributions to the sciences of motion, astronomy, and strength of materials and to the development of the scientific method.
  • He invented Telescope.
  • He discovered the moons of planet Jupiter and the phases of the planet Venus, among other things.
• Thomas Alva Edison
  • He was an American inventor.
  • He invented Electric Light Bulb.
  • He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures.
•  Alexander Graham Bell
  • He was a Scottish-born inventor.
  • He is credited with inventing and patenting the first practical telephone.
  • He also co-founded the American Telephone and Telegraph Company in 1885.
• Karl Ferdinand Braun
  • He was a German electrical engineer and inventor.
  • He invented the phased array antenna in 1905.
  • He invented the cathode ray tube and shared a Noble Prize with Marconi for work on wireless telegraphy.