Physics · Scientific Instruments
सापेक्ष आर्द्रता (Relative Humidity) नापी जाती है:
- 1हाइड्रोमीटर से
- 2पोटैशियोमीटर से
- 3लैक्टोमीटर से
- 4हाइग्रोमीटर से✓
सही उत्तर देखें
हाइग्रोमीटर से
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