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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
What are the low pressure regions known as which are created when tuning fork vibrates?
  • A
    Compression
  • B
    Reflection
  • C
    Rarefaction
  • D
    Refraction
✓

Answer

  1. Rarefaction

Explanation:

When tuning fork vibrates in the medium then it creates sound wave. This sound wave propagates and changes the medium pressure. Maximum pressure attend is called compression and lower pressure is called rarefaction. 

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