Physics · Waves and Acoustics
आवृत्ति (frequency) का SI मात्रक क्या है?
- 1सोन (Sone)
- 2नैनोमीटर (Nanometer)
- 3डेसिबल (Decibel)
- 4हर्ट्ज़ (Hertz)✓
सही उत्तर देखें
हर्ट्ज़ (Hertz)
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