MCQ Practice Bangladesh 📖 Which kind of wave is used in communication technology of mobile phone? ক Infaredখ Microwaveগ Ultra violetঘ X-ray Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up Previous Which is the first private Tv Chanel of Bangladesh? Next Which of the following is Bangladeshi Sangbad Sangsta?
