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What is a seismograph ?...

What is a seismograph ?

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It is an instrument to record seismic waves.
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Explore conceptually related problems

An earthquake measures 3 on Richter scale : Would it be recorded by a seismograph ?

Earthquake at two place I and II were measured by a seismograph and recorded as 2 and 4. What is the magnitude of tremors and its destructive energy at I and II?

Name the scale on which the destructive energy of an earthquake is measured. An earthquake measures 3 on this scale. Would it be recorded by a seismograph? Is it likely to cause much damage?

During earthquake, both longifudinal and transverse waves are produced having speeds 4.0km//s and 8.0km//s respectively. If the first transverse wave reahes the seismograph 8 miniutes after the arrival of first longitudinal wave, then find the distance of the position, where the earthquake occured.

Earthquakes generate sound waves inside Earth. Unlike a gas, Earth can experience both transverse (S) and longitudinal (P) sound waves. Typically, the speed of S waves is about 4.5 km/s, and that of P waves 8.0 km/s. A seismograph records P and S waves from an earthquake. The first P waves arrive 3.5 min before the first S waves. If the waves travel in a straight line, how far away did the earthquake occur?

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  1. What is a seismograph ?

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  2. Which of these activities represents a natural phenomenon?

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  3. What precaution should be taken during an earthquake when you are outd...

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  4. What would an earthquake of a magnitude between 4 and 5 cause?

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  5. Who invented the Richter scale?

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  6. Which instrument is used to measure the intensity of an earthquake?

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  7. Which material is used to make lightning conductors?

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  8. Which part of the cloud is induced by positive charges during a thunde...

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  9. What precaution should be taken to stay safe during lightning?

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  10. Which shape is best suited for a lightning conductor?

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  11. Which device is used to detect the type of charge on an object?

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  12. Who invented the gold leaf electroscope?

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  13. What generates an electric charge on a conductor by bringing a charged...

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  14. What creates negative charge on a comb when it's rubbed against hair?

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  15. What is the charge on an electron?

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  16. Which of these particles are present in the nucleus of an atom?

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  17. Which natural phenomenon is caused by electric charges?

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  18. Which of these natural phenomena is beneficial for us?

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  19. You were going somewhere in your car when you sensed an earthquake. Wh...

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  20. What should we do in case of an earthquake?

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  21. Which of these is not a possible effect of an earthquake?

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