Physics · Light - Reflection and Refraction
किसी गोलीय दर्पण की परावर्तक सतह के व्यास को क्या कहा जाता है?
- 1वक्रता त्रिज्या
- 2द्वारक (aperture)✓
- 3फोकस दूरी
- 4शक्ति का व्युत्क्रम
सही उत्तर देखें
द्वारक (aperture)
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