General Knowledge › Inventions in Physics › Question #11725
Single Choice Moderate

QWho invented/discovered Bifocal lens?

ID: #11725 Inventions in Physics 114 views
Question Info
#11725Q ID
ModerateDifficulty
Inventions in PhysicsTopic
Start Quiz on This Topic
 Your Answer

Choose the Best Option

Click any option to instantly check if you're correct.

  • A Benjamin Franklin ✔ ✖
  • B G. Marconi ✔ ✖
  • C Samuel F. B. Morse ✔ ✖
  • D Harry Brearley ✔ ✖
Correct Answer

Explanation

Bifocal lens invented/discovered by Benjamin Franklin in the year 1780 [Country: U.S.A.]
 Continue Practice
Previous Question Next Question
 Share

Share This Question

Challenge a friend or share with your study group.

 More from This Topic

Related MCQ Questions

Who Invented Microscope ?... Who invented Pocket watch?... Who Invented Printing Press ?... Who Invented Magnifying Glass ?... Who invented Telescoper?... Who invented/discovered Electric Lamp?... Who invented/discovered Loud speaker?... Who invented/discovered Machine. Gun?... Who invented/discovered Hale-Bopp Comet?... Who invented/discovered Helicopter?...