UNIT-I :- PHYSICAL QUANTITIES, MOTION IN TWO OR THREE DIMENSION
https://youtube.com/playlist?list=PLg5hQw0HLihUov0ouzbxSnH0yWMVx4rND&si=v72x9ub-JfbSu1Wi
UNIT-II :- INTRODUCTION TO QUANTUM MECHANICS
https://youtube.com/playlist?list=PL5zwY2E7i60VL5GwnW9bl681uEXNwDP1h&si=5QwXftrylnG3gNi2
UNIT-III :- SOLID ELECTRONIC MATERIALS
1. https://youtu.be/SYqmsAstNYQ?si=n9Q_R6uC942TAGaW
2. https://youtu.be/_2zQ9nq97UA?si=fisZ1bKEu3L7g976
3. https://youtu.be/txkqiLhdWYw?si=KiayFvN2zym_1KZb
4. https://youtu.be/nJ-SqT-0vgs?si=vQcL3ZtFJaZMFSGh
5. https://youtu.be/8s7BuPXCmEM?si=_je6k6yM4ivslCID
6. https://youtu.be/mje44dAK7cE?si=wULMB82Wsejf54dD
7. https://youtu.be/DPMv4CbQ_N8?si=LMOlzC58e1S_Yuup
8. https://youtu.be/OfdGiiWFWdk?si=P4LSj1SsN5lGInU7
9. https://youtu.be/B2v60tnkAkQ?si=tbCMNkrRbxH1obDh
10. https://youtu.be/EhVmNcbn1h0?si=f_UQ_KxtJvORfVI2
11. https://youtu.be/emnY9gGD8N0?si=td6CJQhPczTcoLsa
UNIT-IV :-
SEMICONDUCTORS
https://youtube.com/playlist?list=PLQzUXa8lZVq9AshdaO1K3LPSy5MQo3oiF&si=4N-vghbetrEeP_iU
UNIT-V :-
LASER AND FIBRE OPTICS
LASER
1. https://youtube.com/playlist?list=PLkLVM2W-itbw-1nDSQnu9iJhGoHuFSrt8&si=v4BXZhMEOPKzckff
2. https://youtube.com/playlist?list=PL5zwY2E7i60XzRPOrKzvSzjvxnyK6jQB3&si=ClkA0AJ2ZffV-srg
FIBRE OPTICS
https://youtube.com/playlist?list=PL5zwY2E7i60WKxGzyMVr7U71VWuCAU5Jj&si=vvzvxE-zhMyuqAMy