Physics · Properties of Matter
हाइग्रोमीटर (Hygrometer) एक उपकरण है जिसका उपयोग मुख्य रूप से किस पैरामीटर को मापने के लिए किया जाता है?
- 1वायुमंडलीय दबाव
- 2तरल पदार्थों का प्रवाह वेग
- 3तरल पदार्थों का विशिष्ट गुरुत्व (Specific gravity)
- 4सापेक्ष आर्द्रता (Relative humidity)✓
सही उत्तर देखें
सापेक्ष आर्द्रता (Relative humidity)
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