The Doppler effect and sending signals
Physics · Grade 10 · about 40 minutes
Why a passing siren changes pitch, and why radio stations do not simply broadcast sound.
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- 12 sections of explanation, worked examples and diagrams
- 2 practice tasks 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
- How waves behave
- Stationary waves and resonance
- The Doppler effect and sending signals
- Transverse waves
- Longitudinal waves
- Comparing transverse and longitudinal waves
- Amplitude and energy
- Wavelength and period
- Frequency and the hertz
- The wave equation v = fλ
- Measuring the speed of a wave
- Rectilinear propagation
- Reflection of waves
- Refraction of waves
- Diffraction of waves
- Interference of waves
- Water waves in a ripple tank
- Sound as a wave
- Echoes, sonar and ultrasound
- Pitch, loudness and quality
- Investigating stationary waves
- The resonance tube and the speed of sound
- Producing and detecting FM waves
- Waves around Kenya