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Sound — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceSound1 Mark
MCQ
Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?
  • A
    Sound is a form of energy which makes us hear.
  • B
    Sound is produced by vibrating objects.
  • ✓
    Sound is produced by different objects but human cannot produce sound.
  • D
    The vibration of the sound producing object are so small that we cannot see them easily.
✓

Answer

Correct option: C.
Sound is produced by different objects but human cannot produce sound.
Human can also produce sound by vocal cords. The vibration of our vocal cords are small so, we can only feel them with our hands. When we talk, we make sound. When we sing we make sound very easily by our throat or voice box.

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