वायुदाब मापने का मुख्य यंत्र कौन सा है?
Which instrument is mainly used to measure atmospheric pressure?
Explanation opens after your attempt
B. बैरोमीटरBarometer
Concept
A barometer measures atmospheric pressure. Exam tip: thermometer is for temperature and barometer is for pressure.
Why this answer is correct
The correct answer is B. बैरोमीटर / Barometer. A barometer measures atmospheric pressure. Exam tip: thermometer is for temperature and barometer is for pressure.
Exam Tip
बैरोमीटर वायुदाब मापता है। परीक्षा में थर्मामीटर ताप और बैरोमीटर दाब के लिए याद रखें।
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