Lakshya Education MCQs

Question: In which decade was the transistor invented?
Options:
A.1940s
B.1950s
C.1960s
D.1980s
Answer: Option A

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More Questions on This Topic :

Question 1. What invention was first installed at a Hartford, Connecticut bank in 1889?
  1.    Automatic teller machine
  2.    Time-lock safe
  3.    Burglar alarm
  4.    Pay telephone
Answer: Option D
Question 2. Who invented Bifocal Lens?
  1.    Alfred B. Nobel
  2.    Thomas Alva Edison
  3.    Benjamin Franklin
  4.    Rudolf Diesel
Answer: Option C
Question 3. Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
  1.    Golf tee
  2.    Motorboat
  3.    Water skis
  4.    Hang glider
Answer: Option C
Question 4. What device for new parents did Ann Moore invent in 1969?
  1.    Bottle warmer
  2.    Baby monitor
  3.    Disposable diaper
  4.    Infant carrier
Answer: Option D
Question 5. Who invented Electric Generator?
  1.    Sir Alexander Graham Bell
  2.    Michael Faraday
  3.    Alfred B. Nobel
  4.    Thomas Alva Edison
Answer: Option B
Question 6. When were blue jeans invented?
  1.    1900s
  2.    1860s
  3.    1870s
  4.    1850s
Answer: Option C

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