Waves
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 0ยท1 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 - 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 What does Critical Angle mean? Answer
54 When does Total Internal Reflection occur? Answer
55 Show a Right Angle Prism changing a Light Ray Direction by 90 Degrees. Answer
56 Show how two Right Angle Prisms can be used to make a Periscope. Answer
57 How can a Periscope be used? Answer
58 Show a Right Angle Prism changing a Light Ray Direction by 180 Degrees. Answer
59 What is an Optical Fibre? Answer
60 How does an Optical Fibre Transmit Light? Answer
61 What does Telecommunications mean? Answer
62 Can an Optical Fibre carry More Information than a Copper Wire? Answer
63 Who would use an Endoscope? Answer
64 How does an Endoscope use Optical Fibres? Answer
65 What are the Seven Colours of Light called? Answer
66 Do Different Colours of Light have Different Frequencies? Answer
67 Do Different Colours of Light have Different Wavelengths? Answer
68 Which Colour is Refracted Most through a 60 Degree Prism? Answer
Water - Reflection - Refraction - Diffraction
69 Can a Longitudinal Wave travel through Water? Answer
70 Can a Transverse Wave travel through Water? Answer
71 After Reflection, has the Direction, Speed, Frequency or Wavelength Changed? Answer
72 When will a Water Wave Refract? Answer
73 What will change the Amount of Refraction? Answer
74 What will a Diffracted Wave do? Answer
75 When will Diffraction occur? Answer
76 After Diffraction, has the Speed, Frequency or Wavelength Changed? Answer
77 Show a Water Wave Diffracting through a Gap in a Harbour Wall.