BCS, Written লিখিত পরীক্ষায় বিজ্ঞান ও প্রযুক্তি থেকে আসতে পারে এমন কিছু বাছায় করা প্রশ্ন
1,657 views · Published 14 February 2018 · 12:07 · Indexed 20 September 2026
Channel: BCS Beacon Learn with Maskurul Alam · 2018 · People & Blogs
In this video we have given most important question for upcoming written exam on science and technology. We also have given the answers of these questions very easily. We have given the clear concepts about Laser Ray, Ultraviolet Ray As well as infrared Ray.
