Judiciary Gk Questions and Answers

9. Acoustics is a branch or study dealing with
  A.  Historical sites
  B.  Architecture
  C.  Trigonometry
  D.  Sound
Answer
Ans: D
Sound
10. Blaze Pascal is associated with
  A.  Calculator
  B.  Computer
  C.  Cinema
  D.  Calculating machine
Answer
Ans: D
Calculating machine
11. Which of the following has the most penetrating power?
  A.  X-rays
  B.  Alpha Particles
  C.  Beta Particles
  D.  Gamma Particles
Answer
Ans: D
Gamma Particles
12. Which one is not produce by sound waves in air?
  A.  Refraction
  B.  Reflection
  C.  Polarisation
  D.  Diffraction
Answer
Ans: C
Polarisation
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