WM-P.Sc. (B & E) 3 6 একটি বিন্দু আলােক উৎস একটি অবতল দর্পণের বক্রতা কেন্দ্রে স্থাপিত হল। এই উৎস থেকে দর্পণে আপতিত ও দর্পণ থেকে প্রতিফলিত রশ্মির মধ্যে চ্যুতিকোণ হল (a) 0° (b) 180° (c) 90° (d) 360° তড়িৎ আধান সংক্রান্ত কুলম্বের সূত্রটি প্রযােজ্য যখন

WM-P.Sc. (B & E) 3 6 একটি বিন্দু আলােক �

1.	WM-P.Sc. (B & E) 3 6 একটি বিন্দু আলােক উৎস একটি অবতল দর্পণের বক্রতা কেন্দ্রে স্থাপিত হল। এই উৎস থেকে দর্পণে আপতিত ও দর্পণ থেকে প্রতিফলিত রশ্মির মধ্যে চ্যুতিকোণ হল (a) 0° (b) 180° (c) 90° (d) 360° তড়িৎ আধান সংক্রান্ত কুলম্বের সূত্রটি প্রযােজ্য যখন
Answer» UNDERSTAND your LANGUAGE DEAR

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