Science · Polygraph
झूठ पकड़ने वाली मशीन को सामान्यतः क्या कहते हैं?
- 1ऑडियो ग्राफ
- 2पॉलिटेक्निक
- 3पॉलीग्राफ✓
- 4स्पेक्ट्रोग्राफ
सही उत्तर देखें
पॉलीग्राफ
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