Judiciary Gk Questions and Answers

17. Who gave the special theory of relativity?
  A.  Madam Curie
  B.  Subrahmanyan Chandrasekhar
  C.  Madam Curie
  D.  Albert Einstein
Answer
Ans: D
Albert Einstein
18. Which waves are used in sonography?
  A.  Sound waves
  B.  Microwaves
  C.  Infrared waves
  D.  Ultrasonic waves
Answer
Ans: D
Ultrasonic waves
19. Light Emitting Diode (LED) converts
  A.  thermal energy into light energy
  B.  light energy into electrical energy
  C.  electrical energy into light energy
  D.  mechanical energy into electrical energy
Answer
Ans: C
electrical energy into light energy
20. Which one among the following radiations carries maximum energy?
  A.  Microwave
  B.  Radio waves
  C.  Infrared
  D.  UV rays
Answer
Ans: D
UV rays
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