Physics quiz 4.5 / 5 based on 3 ratings ? PhysicsWavesElectricityLight and OpticsEnergyGCSEAQA Created by: phoebejoy199Created on: 18-11-14 21:13 What is the frequency of a wavelength? Number of waves produced by a source per second 1 of 12 What is frequency (of a wavelength) measured in? Hertz (Hz) 2 of 12 What is it called when the waves spread out after they've passed through a gap? Diffraction 3 of 12 What is a laser? A beam of light 4 of 12 Which seismic wave can only go through solids? S-waves 5 of 12 Name a good conductor Metal 6 of 12 True or false: In conduction, the hotter the metal, the more kinetic transfer there is? True 7 of 12 If I spend £800 on insulation for my house and it saves me £40 a year; what is the payback time for the insulation? 20 years 8 of 12 How is heat energy transferred in convection? From hot to cold 9 of 12 Advantage of solar panels: Renewable source 10 of 12 Disadvantage of solar panels: They do not work at night 11 of 12 Why is double glazing better than single glazing? The vacuum between the layers of glass keeps heat inside longer 12 of 12
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