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Physics Questions and Answers

General Science
9. Sound cannot travel through
 
  • A. solids
  • B. liquids
  • C. gases
  • D. vacuum
 
10. The material which do not conduct electric charges is
 
  • A. copper
  • B. mica
  • C. silver
  • D. graphite
 
 
11. The instrument used to test the purify of milk is
 
  • A. galvanometer
  • B. lactometer
  • C. polarimeter
  • D. calorimeter
 
12. Wave theory was proposed by
 
  • A. Huygen
  • B. Raman
  • C. Young
  • D. Newton