12th Physics TN 1 Electron Emission எலக்ட்ரான் உமிழ்வு

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=ofRX2y9g3V4

12th Physics, Unit 8, dual Nature of Radiation and Matter, thermionic, field, photo electric, secondary, emission

12th-Grade, TN-Physics
#############################