Physics, asked by amulya9593, 8 months ago

14. একটি লাল ও একটি বেগুনী বর্ণের আলােকরশি ৰায়ু মাধ্যম থেকে একই কোনে একটি প্রিজমের আনত তলে আপতিত হয়ে
যথাক্রমে ও পতিসরণ কোণ উৎপন্ন করলে,

Answers

Answered by pinkuroymeta4

0

Explanation:

r=v ;r=1÷v;rgreaterthan v ; r lejer than v

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