AQA GCSE Combined Science Trilogy · 8464
Specification 4.2.2.5, 6.2.3.1, 6.6.1.2, 6.6.2.1, 6.6.2.3 · Paper 1, Paper 5, Paper 6
The number of observations belonging to a particular value, category or group.
Revise: Health issuesA frequency table shows how many observations fall into each value, category or group. A graph with frequency on its vertical axis is a frequency diagram. The type of graph depends on the data: separate categories suit a bar chart, whereas grouped continuous measurements suit a histogram.
- Revise: Direct and Alternating Potential Difference
The number of complete cycles each second, measured in hertz (Hz).
- Revise: Wave Properties and Calculations
The number of waves passing a point each second. Its symbol is and its unit is the hertz (Hz).
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- Revise: Measuring Wave Properties
- Revise: Electromagnetic Wave Spectrum
- Revise: Generation and Absorption of Electromagnetic Waves
The number of complete oscillations each second, measured in hertz (Hz).