KBC Questions and Quiz, Multiple Choice Questions and Answers
Displaying 221 to 230 of 2066 Questions. You are on Page No. 23 of total 207 pages
Question: What were the names of William Shakespeare's parents before they married?
Incorrect Answer
Correct Answer John Shakespeare was orginally from Snitterfield, and Mary Arden was from Wilmcote. These villagesare about 3 miles (5 KM) from Stratford-upon-Avon, in Warwickshire. Both John and Mary came from farming families. They married in 1557.
Question: In 1879, Edison successfully tested the incandescent light. What did he use for a filament?
Incorrect Answer
Correct Answer Edison made the filament for the light bulb from burned sewing thread, which produced a light that wasn't as bight as the carbon arc light. Later Edison began to use bamboo filaments.
Question: In 1876, Edison built his famous laboratory in which U.S. state?
Incorrect Answer
Correct Answer Edison built his famous laboratory in Menlo Park, This was the first ladoratory built for Edison. This is where he did his research on the telephone, phonograph and other great inventions.
Question: At what age did Edison become a telegraph operator?
Incorrect Answer
Correct Answer Edison become a telegraph operator because he saved a telegraph operator's son from the path of a railroad car. As a reward, the operator gave him free telegraph lessons - which started Edison on his way of becoming one of the greatest men in history.
Question: Which one of these inventions did Edison not discover or help improve?
Incorrect Answer
Correct Answer After making improvements to the telegraph, Edison started research on a "speaking telegraph" or what became known as the telephone. He was not the only one who experimented with this device; Edison improved the telephone by making it easier to hear the person on the other end.
Thomas invented the phonograph in 1877. The phonograph was a device used to record and play back messages sent over the telegraph and telephone.
In 1878, Edison began important research on electric lighting. He saw a demonstration of a carbon arc light that was really bright. So, Edison started to work an incandescent light, which would be less bright, for everyday use. In 1879, Edison tested a carbon filament made from burned sewing thread and it worked.
