What is This Resource About?
This PowerPoint supports AQA GCSE Physics students in completing the required practical for measuring wave speed. It explains how to measure wave speed in different media, how to apply the wave equation, and how to analyze experimental errors to improve accuracy.
What’s Included?
Measuring wave speed in a solid (vibrating string method)
- Step-by-step practical setup and method.
- Explanation of how frequency, wavelength, and tension affect wave speed.
- Example results table and calculation of mean wave speed.
- Discussion on why wave speed varies and how to improve accuracy.
Measuring wave speed in water (ripple tank method):
- How to create and observe waves using a signal generator and ripple tank.
- How to measure frequency (counting waves over time) and wavelength (using a meter ruler).
- Example calculations.
- Sources of error and improvements.
The relationship between frequency, wavelength, and wave speed:
- Explains why changing frequency does not change wave speed in the same medium.
- Examines factors that do change wave speed (e.g., water depth, string tension).
Review questions:
- Calculating wave speed from given data.
- Explaining experimental errors and suggesting improvements.
Why Use This Resource?
- Aligned with AQA GCSE Physics required practicals.
- Fully editable PowerPoint (.pptx) for classroom use.
- Clear explanations, structured lessons, and practical guidance.
- Supports practical work, scientific analysis, and evaluation skills.
- Includes practice questions and activities to reinforce key concepts.
Last updated: February 2025.
This PowerPoint is ideal for teachers, tutors, and students looking for a comprehensive, curriculum-aligned resource on measuring wave speed in solids and liquids. Download now to support practical physics teaching!
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