Rafique, Saqib Laser listening device / Saqib Rafique, Muhammad Bilal Arshad, Zarak Khan and Behram Khan (BETE-53) - Rawalpindi MCS (NUST) July, 2020 - viii, 40 p.; Introduction (Page-6), History of Light its Fundamental Concepts (Page-9), Laser Optics (Page-14), Sound Waves (Page-260, Design Methodology (Page-32), References (Page-39). Subjects--Topical Terms: UG Project Subjects--Geographic Terms: BETE-53 Dewey Class. No.: 621.382,RAF