Subject: General Science
Book: NCERT Physics Class 12
Study of electron emission due to light exposure.
- **Einstein’s Equation**:
- Energy of ejected electrons.
- **Threshold Frequency and Work Function**:
- Minimum energy required for emission.
- **Applications**:
- Solar cells, photodetectors.
**Possible Exam Questions:**
1. Define the photoelectric effect and explain its significance.
2. How does Einstein’s equation describe the photoelectric effect?
3. What is the role of threshold frequency in photoelectric emission?
4. Explain how solar cells work using the photoelectric effect.
5. What are the industrial applications of photodetectors?
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