40:10

pn junction diode , forward baising and reverse baising, p-type semiconductor

34:53

photo electric effect, lenardsexperiment, Einstein's equation of photoelectriceffect #rbsinghjamuna

44:04

electornic emission, photo electric effect lenards experiment #rbsinghjamuna

30:43

P-N junction diode as half wave and full wave rectifier, how AC is converted to DC #rbsinghjamuna

38:37

diffraction and polarization of light, #rbsinghjamuna #diffraction #polarization

33:14

nuclear binding energy, size of nucleus

32:33

concept of phase angle, basic concept of interferencepattern bright and darkfringes, #rbsinghjamuna

37:08

wave optics, hygens wave theory concept of wavefront and secondry wavelets, #rbsinghjamuna