Subject: General Science
Book: NCERT Physics Class 12
The photoelectric effect and wave-particle duality of matter.
- **Einstein’s Photoelectric Equation**:
- Ejection of electrons from a metal surface.
- **Work Function and Threshold Frequency**:
- Minimum energy needed to eject electrons.
- **de Broglie Hypothesis**:
- Matter exhibits both wave and particle nature.
**Possible Exam Questions:**
1. State and explain Einstein’s photoelectric equation.
2. What is work function and threshold frequency?
3. Derive the de Broglie wavelength equation.
4. Explain the experimental verification of de Broglie waves.
5. What is the significance of the wave-particle duality of matter?
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