Physics · Scientific Instruments
किसी द्रव के घनत्व या विशिष्ट गुरुत्व को मापने के लिए उपयोग किए जाने वाले उपकरण का नाम क्या है?
- 1अल्कलीमीटर (Alkalimeter)
- 2कैलिब्रेटर (Calibrator)
- 3लैक्टोमीटर (Lactometer)
- 4हाइड्रोमीटर (Hydrometer)✓
सही उत्तर देखें
हाइड्रोमीटर (Hydrometer)
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