Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
Inventions
Question #6097
Back to Home
View All Inventions Questions
43 Views
Question
Who invented Bifocal Lens?
A. Alfred B. Nobel
B. Thomas Alva Edison
C. Benjamin Franklin
D. Rudolf Diesel
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What did Karl Landsteiner discover about blood groups?
49
What invention caused many deaths while testing it?
42
What does the word 'invent' originate from?
38