পরস্পর থেকে কিছুটা দূরে অবস্থিত দুটি উৎস থেকে 1360 Hz কম্পাঙ্কের একই শব্দ নির্গত হচ্ছে । একজন শ্রোতা উৎস দুটির মধ্যস্থল থেকে যে - কোনাে একটি উৎসের দিকে ছুটতে শুরু করলেন । তিনি প্রতি সেকেন্ডে 4 টি স্বরকম্প শুনতে পেলে তার ছােটার বেগ নির্ণয় করাে । বায়ুতে শব্দের বেগ = 340 m/s

পরস্পর থেকে কিছুটা দূরে অব

1.	পরস্পর থেকে কিছুটা দূরে অবস্থিত দুটি উৎস থেকে 1360 Hz কম্পাঙ্কের একই শব্দ নির্গত হচ্ছে । একজন শ্রোতা উৎস দুটির মধ্যস্থল থেকে যে - কোনাে একটি উৎসের দিকে ছুটতে শুরু করলেন । তিনি প্রতি সেকেন্ডে 4 টি স্বরকম্প শুনতে পেলে তার ছােটার বেগ নির্ণয় করাে । বায়ুতে শব্দের বেগ = 340 m/s
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