critical angle – Meaning and Explanation

Part of speech : Noun

Urdu Meaning (اردو معنی)

بصریات ۔ زاویہ فاصل ۔ انعطافی واسطے میں داخل ہونے والی شعاع کا زاویہ ۔ محتوی سطح پر آنے والی شعاع کا زاویہ ۔

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