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7 of 7 objectives have lessons · 0 studied · 0 secure
What Cambridge says you should be able to do, in our words. Codes are the topic number plus the objective’s position.
Describe what wave motion means, using vibrations in ropes, springs and ripple tanks as illustrations.
Taught in: What a wave actually moves · 5 questions
Understand and use the terms displacement, amplitude, phase difference, period, frequency, wavelength and speed.
Taught in: The vocabulary of a wave, Phase difference: how far behind is that point? · 12 questions
Understand how the time-base and y-gain settings of a cathode-ray oscilloscope (CRO) are used to find frequency and amplitude.
Taught in: Reading a cathode-ray oscilloscope · 6 questions
Use the definitions of speed, frequency and wavelength to derive the wave equation v = fλ.
Taught in: Where v = fλ comes from · 1 question
Recall and use v = fλ.
Taught in: Where v = fλ comes from · 6 questions
Understand that a progressive wave transfers energy.
Taught in: What a wave actually moves · 3 questions
For a progressive wave, recall and use intensity = power / area and intensity ∝ (amplitude)².
Taught in: Intensity: power spread over an area · 6 questions