সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
With which device are earthquakes recorded?
With which device are earthquakes recorded?
- ক. Barometer
- খ. Oscillator
- গ. Voltmeter
- ঘ. Seismograph
সঠিক উত্তরঃ Seismograph
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- Dry sand appears bright while wet sand appears dark because of--
- Which one of the following metals reacts very rapidly with water at room temperature?
- Which of the following is not a gas?
- Ecology deals with---
- The center of the earth is known as the--
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Basic Information of Daily Science, Inventions and...