जॉइन Examsbook
उत्तर : 2. "Seismograph"
Select the option that can be used as a one-word substitute for the given group of words.
An instrument for detecting an earthquake
5प्र:
Select the option that can be used as a one-word substitute for the given group of words.
An instrument for detecting an earthquake
- 1Electrographfalse
- 2Seismographtrue
- 3Magnetographfalse
- 4Spectrographfalse
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उत्तर : 2. "Seismograph"
व्याख्या :
A seismograph is an instrument used for detecting and recording earthquakes.