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Sound for Class 7 : 1st Assignment

Look at the image below and answer the following questions

Look at the image below and answer the following questions

Q1

What quantities are plotted in graph.

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  • A
  • B
  • C
  • D
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Q2

In figure Sound wave is moving rightwards and it is shown by arrow. And it is also depicted in figure with cluster of dots with alternating regions of dense & sparce dots. Can you think of a Source that may be producing sound. Name it below

q3

In figure sound wave is moving rightwards and it is shown by arrow. And it is also depicted in figure with a cluster of dots with alternating regions of dense and sparce dots. What instrument is used to get monitor a waveform of sound.

적용되는 모든 것을 선택하세요.
  • A
  • B
  • C
  • D
답안을 점검하세요 (3)