What is seismograph and describe their construction and working?
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What is seismograph and describe their construction and working?
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Answer:
A seismograph is the device that scientists use to measure earthquakes. ... By attaching a pen to the weight and taping a piece of paper to the table so that the pen can draw on the paper, you could record tremors in the Earth's crust (earthquakes).
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Answer:
jo bhukamp ko mata hai that is seismograph