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Physics Questions and Answers

General Science
25. Doppler effect in sound produces apparent change in
 
  • A. amplitude
  • B. frequency
  • C. wave length
  • D. intenstity
 
 
26. The liquid used in doctors thermometer is
 
  • A. alcohol
  • B. mercury
  • C. water
  • D. keresone
 
27. Lightning conductor was first constructed by
 
  • A. Newton
  • B. Edison
  • C. Volta
  • D. Franklin
 
28. The solar system belongs the galaxy called
 
  • A. milky way
  • B. andromeda nebula
  • C. radio galaxy
  • D. magallanic cloud