Physics · Scientific Instruments
वायु में आर्द्रता (humidity) मापने के लिए निम्नलिखित में से किस उपकरण का उपयोग किया जाता है?
- 1बैरोमीटर (Barometer)
- 2हाइग्रोमीटर (Hygrometer)✓
- 3हाइड्रोमीटर (Hydrometer)
- 4एयरोमीटर (Aerometer)
सही उत्तर देखें
हाइग्रोमीटर (Hygrometer)
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