Question
Download Solution PDFরামুর কাছে 1.33 প্রতিসরাঙ্কযুক্ত জলের একটি টাব, 1.46 প্রতিসরাঙ্কযুক্ত তেলের একটি মগ, 1.5 প্রতিসরাঙ্কযুক্ত গ্লিসারিনের একটি বোতল এবং 1.65 প্রতিসরাঙ্কযুক্ত একটি কাঁচের স্ল্যাব আছে। আলো সবচেয়ে দ্রুত গতিতে ভ্রমণ করবে:
This question was previously asked in
RRB Technician Grade III Official Paper (Held On: 28 Dec, 2024 Shift 1)
Answer (Detailed Solution Below)
Option 1 : জল
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