On which principle does seismograph work?

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Principle of inertia

Principle of conservation of momentum

Principle of gravitational force

None of the above

answer is A.

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Detailed Solution

Concept- Chang Hang, a Chinese astronomer and mathematician, is credited with creating the seismograph. In 132 AD, it was created. It is employed to gauge earthquakes. The Richter scale for earthquakes may be familiar to us; this instrument functions similarly to a seismograph.
1-A device used to detect earthquakes is called a seismometer or Seismograph.
2- It also tells the intensity of the vibration of earthquakes and makes a graph of it.
3- Seism means earthquakes and graphs mean record or writing.
4- Seismograph works on the principle of Newton first law or we can principle of inertia because interim is connected to Newton first law
Hence, the correct option is 1.

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