Inventions, Discoveries and Explorations
In which decade was the transistor invented?
1940s
1950s
1960s
1980s
1940s
On December 23, 1947, William Shockley, Walter Brattain and John Bardeen, of Bell Labs, announced their discovery of the point-contact germanium transistor to management.
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Who invented bifocal lenses for glasses?A. Alfred B. Nobel
B. Thomas Alva Edison
C. Benjamin Franklin
D. Rudolf Diesel
Insulin was discovered by:
A. Donald Reagan
B. Alexander Flaming
C. Fredrick Banting
D. Fredrick Sanger
Who invented the first mechanical calculator Pascaline?
A. Stephen Hales
B. Blaise Pascal
C. Gerardus Mercator
D. Thomas Newcomen
For whom among the following were high heeled shoes invented?
A. Cleopatra
B. Queen Elizabeth I
C. King Louis the XIV
D. King Charles II
Which country develop the first atomic bomb?
A. Pakistan
B. China
C. United States
D. Russia
Printing press was invented by:
A. Johannes Gutengerg
B. Mary Anderson
C. Victor Adler
D. George Antheil
Which of the following did Sir Isaac Newton invent?
A. Reflecting telescope
B. Chronometer
C. Microscope
D. Spectacles
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