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প্রতিফলনের সূত্রগুলি হল—
1. আপতিত রশ্মি, প্রতিফলিত রশ্মি এবং আপতন বিন্দুতে প্রতিফলকের ওপর অঙ্কিত অভিলম্ব সর্বদা একই সমতলে থাকে।
2. আপতন কোণ ও প্রতিফলন কোণ সর্বদা সমান হয়।
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Answer ( 1 )
প্রতিফলনের সূত্রগুলি হল—
1. আপতিত রশ্মি, প্রতিফলিত রশ্মি এবং আপতন বিন্দুতে প্রতিফলকের ওপর অঙ্কিত অভিলম্ব সর্বদা একই সমতলে থাকে।
2. আপতন কোণ ও প্রতিফলন কোণ সর্বদা সমান হয়।