critical angles – Meaning and Explanation
Part of speech : Noun
Urdu Meaning (اردو معنی)
زاویہ فاصل ۔ اگر روشنی کِسی کثیف واسطے سے کِسی لطیف واسطے کی طرف جا رہی ہو اور روشنی کی شُعاع اِس سطح پر کسی خاص زاویے سے کم کا زاویہ بناۓ تو روشنی دُوسری جانِب نہیں جاتی ۔
🔹 Roman Urdu
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