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प्रश्न
Identify the instrument shown in the picture.
विकल्प
Hydrograph
Thermometer
Polygraph
Seismograph
MCQ
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उत्तर
Seismograph
Explanation:
The instrument shown in the picture is a seismograph. It records the seismic waves generated by earthquakes, producing seismograms that display the intensity and duration of tremors on a rotating drum. This helps in studying earthquakes and their characteristics.
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