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Waves

Revision Questions

Waves - Sound - Light - Water

(See also Electromagnetic Waves and Plate Tectonics)

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 Longitudinal - Transverse - Amplitude - Wavelength - Frequency 1 What do Waves do? Answer 2 Describe the movement of Particles in a Longitudinal Wave. Answer 3 Give an Example of something which travels as a Longitudinal Wave. Answer 4 Describe the movement of Particles in a Transverse Wave. Answer 5 How would you measure the Amplitude of a Transverse Wave? Answer 6 What does the Amplitude tell you about a Wave? Answer 7 How would you measure the Wavelength of a Transverse Wave? Answer 8 What Unit is Wavelength measured in? Answer 9 Define Frequency. Answer 10 What Unit is Frequency measured in? Answer 11 What is the Period of a Wave? Answer 12 Give the Equation which connects Period and Frequency. Answer 13 Give the Equation which connects Velocity, Frequency and Wavelength. Answer 14 What Velocity has a Wave with Frequency 3250 Hz and Wavelength 0·1 m? Answer 15 What Wavelength has a Wave with Frequency 500 Hz and Velocity 330 m/s? Answer 16 What Frequency has a Wave with Wavelength 10 m and Velocity 25 m/s? Answer

 Sound - Loudness - Pitch - Echo - Ultrasound 17 Is Sound a Longitudinal or a Transverse Wave? Answer 18 Can Sound travel through a Vacuum? Answer 19 How can an Object produce Sound Waves? Answer 20 Does Sound travel Faster under Water or in Air? Answer 21 Does Sound travel Faster than Light? Answer 22 What does the Loudness of Sound depend on? Answer 23 What does Pitch mean? Answer 24 What does the Pitch of Sound depend on? Answer 25 What is an Echo? Answer 26 What is the Natural Echo of a Room called? Answer 27 What is the Frequency Range of Sound that People can Hear? Answer 28 How can Hearing be Damaged? Answer 29 Give one Example of Noise Pollution. Answer 30 What is Ultrasound? Answer 31 What is Pre-Natal Scanning? Answer 32 How can Ultrasound be used to measure the Depth of Sea Water? Answer 33 How can Ultrasound be used to Catch Fish? Answer

 Light - Reflection - Refraction - Lenses - Optical Fibre - Colour 34 Is Light a Longitudinal or a Transverse Wave? Answer 35 Is Light an Electromagnetic Wave? Answer 36 Can Light travel through a Vacuum? Answer 37 Does Light travel Faster than Sound? Answer 38 After Reflection, has the Direction, Speed, Frequency or Wavelength Changed? Answer 39 What type of Surface would be a Good Reflector for Light? Answer 40 Which Light Ray is called the Incident Ray? Answer 41 For Reflection, what does the Angle of Incidence Equal? Answer 42 What type of Surface would cause Diffuse Reflection? Answer 43 What is a Virtual Image? Answer 44 When does Refraction occur? Answer 45 After Refraction, has the Direction, Speed, Frequency or Wavelength Changed? Answer 46 Give two Examples of Transparent Materials. Answer 47 Why does Light travel at Different Speeds in Different Materials? Answer 48 Does Light travel Faster in Air or in Glass? Answer 49 What is a Normal? Answer 50 Does Light Change Direction along a Normal? Answer 51 Does Light Change Direction when it travels not along a Normal? Answer 52 When does Light Bend Towards the Normal? Answer 53 Is a Convex Lens a Converging Lens? Answer 54 Is a Convex Lens Thicker in the Middle? Answer 55 What is the Principle Axis? Answer 56 When does a Convex Lens act as a Magnifying Glass? Answer 57 Does a Concave Lens produce an Image which is Virtual? Answer 58 Does a Concave Lens produce an Image which is Upright? Answer 59 What does Critical Angle mean? Answer 60 When does Total Internal Reflection occur? Answer 61 Show a Right Angle Prism changing a Light Ray Direction by 90 Degrees. Answer 62 Show how two Right Angle Prisms can be used to make a Periscope. Answer 63 How can a Periscope be used? Answer 64 Show a Right Angle Prism changing a Light Ray Direction by 180 Degrees. Answer 65 What is an Optical Fibre? Answer 66 How does an Optical Fibre Transmit Light? Answer 67 What does Telecommunications mean? Answer 68 Can an Optical Fibre carry More Information than a Copper Wire? Answer 69 Who would use an Endoscope? Answer 70 How does an Endoscope use Optical Fibres? Answer 71 What are the Seven Colours of Light called? Answer 72 Do Different Colours of Light have Different Frequencies? Answer 73 Do Different Colours of Light have Different Wavelengths? Answer 74 Which Colour is Refracted Most through a 60 Degree Prism? Answer

 Water - Reflection - Refraction - Diffraction 75 Can a Longitudinal Wave travel through Water? Answer 76 Can a Transverse Wave travel through Water? Answer 77 After Reflection, has the Direction, Speed, Frequency or Wavelength Changed? Answer 78 When will a Water Wave Refract? Answer 79 What will change the Amount of Refraction? Answer 80 What will a Diffracted Wave do? Answer 81 When will Diffraction occur? Answer 82 After Diffraction, has the Speed, Frequency or Wavelength Changed? Answer 83 Show a Water Wave Diffracting through a Gap in a Harbour Wall. Answer

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