← 2.3 Thermionic emission and its applications
Comparing frequencies with Lissajous figures
Physics · Grade 11 · about 40 minutes
Describe how the CRO shows Lissajous figures and compares frequencies.
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- 8 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Thermionic emission
- Production of cathode rays
- Properties of cathode rays
- The cathode ray tube
- Uses of cathode rays
- The cathode ray oscilloscope
- Measuring voltage with the CRO
- Measuring frequency with the CRO
- Comparing frequencies with Lissajous figures
- Applications of the CRO
- Production of X-rays
- Properties of X-rays
- The X-ray spectrum
- Energy of X-rays
- Medical applications of X-rays
- Industrial and security uses of X-rays
- Hazards of X-rays
- Safety precautions with X-rays
- Appreciating the CRO and X-rays
- Review of thermionic emission and its applications