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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
A wave of frequency 10 Hz was observed to have a compression at a particular instance. Two subsequent time intervals when a compression will be repeated are (in seconds)
  • A
    10, 20
  • B
    0.1, 0.2
  • C
    1, 2
  • D
    Depends on speed
✓

Answer

  1. Depends on speed

Explanation:

The Compression of any object will always be depend on its speed.

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