Modern Physics
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Lect # 1
Content Covered:
Dual nature of Light, matter-waves, Debroglie’s formula for wavelength of matter-waves. Graphes relating different parameters of Photon and matter waves, example
Duration: 41 MinutesLect # 2
Content Covered:
Photometry, Energy of Photon, power incident and Intensity of light assuming particle nature of light, Impulse , Force & Pressure exerted by incident Photons
Duration: 56 MinutesLect # 3
Content Covered:
Problems on photometry, motion of Photon under gravity
Duration: 24 MinutesLect # 4
Content Covered:
Photo electric Effect, Work function of a metal, Threshold Energy/Threshold frequency/Threshold wavelength of an incident photon, Maximum kinetic energy of photo-electron, Graphs
Duration: 37 MinutesLect # 5
Content Covered:
Photo-current, Saturation current, stopping potential, problems
Duration: 50 MinutesLect # 6
Content Covered:
graphs plotted by Einstein and conclusions from those graphs, Failure of classical wave theory and explanations given by quantum theory
Duration: 23 MinutesLect # 7
Content Covered:
Atomic structure, Dalton’s law, Thomson’s Plums pudding theory, Rutherford’s Atomic model, Bohr’s Atomic model and his 4 postulates
Duration: 24 MinutesLect # 8
Content Covered:
Bohr model and Derivations for Radius of orbit, Energy of Orbit, velocity of electron in an orbit, frequency of electron
Duration: 31 MinutesLect # 9
Content Covered:
q/m ratio in an orbit,Ground and Excited states, Ionisation Energy and ionisation potential, Excitation Energy and Excitation potential, Binding energy of electrons
Duration: 28 MinutesLect # 10
Content Covered:
Hydrogen emission spectrum, Lymen series, Balmer series, Paschen series, Pfund series, series limits
Duration: 38 MinutesLect # 11
Content Covered:
Recoil speed of atoms , problems on atomic structure ,Hydrogen absorption spectrum
Duration: 28 MinutesLect # 12
Content Covered:
Atomic collisions, problems on atomic collisions
Duration: 27 MinutesLect # 13
Content Covered:
Energy and radius of orbit when nucleus in motion.X-ray introduction, Production of X-ray, Types of X-rays, continuous X rays. accelerating voltage
Duration: 41 MinutesLect # 14
Content Covered:
Characteristics X-rays, cut-off wavelength, ,K-alpha/K-beta/L-alpha/L-beta characteristics X-rays and their wavelength/ frequency, Mosley’s law ,Graphs and problems on X-rays
Duration: 35 MinutesSubscription
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