Geography, asked by mdtohamondal, 22 days ago

মুখ্য ফোকাস কাকে বলে

Answers

Answered by mondalavijit0206

1

Answer:

গোলীয় দর্পনের প্রধান অক্ষের সমান্তরাল রশ্মিগুচ্ছ প্রতিফলনের পর বিন্দুতে মিলিত হয় তার নাম মুখ্য ফোকাস বলে।

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