Modern Physics

Dual Nature of Matter and Radiation

• Photoelectric Effect
• de Broglie Wavelength of Matter Waves
• Davisson Germer Experiment

Atoms

• Rutherford's Model of Atom
• Bohr's Theory of Hydrogen-like Atoms
• Charge on an Electron by Millikan's oil drop experiment
• Thomson's experiment to determine e/m of electron
• Characteristic and Continuous X-rays New
• Moseley's Law

Nuclei

• Atomic Nucleus
• Alpha, Beta and Gamma Radiations
• Law of Radioactive Decay
• Binding Energy and its Calculation
• Fission and Fusion Processes

Semiconductor Electronics

• Electrostatics of pn junction
• Diode
• diode as a rectifier
• Zener Diode
• Transistor
• Transistor as an Amplifier
• Transistor as an Oscillator
• Logic Gates
• Transistor as a Switch

Communication

1. Sky and space wave propagation
2. Amplitude modulation
3. Frequency modulation
4. Communication Bandwidth

Others

• Thought provoking problems on modern physics