This document contains 134 questions, ready to fill, based on the Waves topic for AQA Physics. These questions are based on every point in the Specification provided by AQA, therefore covering all content required from this module.
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Waves Active Recall QUESTIONS:
3.3.1 Progressive and stationary waves:
1. Define progressive wave
2. Define displacement of a wave
3. Define amplitude of a wave
4. Define wavelength of a wave
5. Define period of a wave
6. Define frequency of a wave
7. Define speed of a wave
8. What equation links speed, frequency
and wavelength?
9. What equation links frequency and
time period?
10.What is phase difference?
11.When the crests or troughs of a wave
are aligned what is the phase
difference?
12.When the crests and troughs of a
wave are aligned what is the phase
difference?
13.How is phase difference measured?
14.How do particles oscillate in
mechanical waves?
15.What are the two types of waves?
16.Define transverse wave
17.Name four examples of transverse
waves
18.Define longitudinal wave
19.What is a compression?
20.What is a rarefaction?
21.Name four examples of longitudinal
waves
22.How is energy transmitted through a
longitudinal wave?
23.Define polarisation
24.What kind of waves can be polarised?
Why?
25.Why can’t longitudinal waves be
polarised?
26.How can waves be polarised?
27.Explain how Polaroid glasses reduce
glare on the surface of water
28.Explain how Polaroid filters work
29.Explain how the polarisation of radio
and microwave signals work
30.What is a stationary wave?
31.How is a stationary wave formed?
32.What do stationary waves do with
energy?
33.What is a node?
34.What is an antinode?
35.Are nodes fixed or can they move in
, the horizontal direction?
36.What is the phase difference of points
between nodes?
37.What is the phase difference between
points that have an odd number of
nodes between them?
38.What is the phase difference between
points that have even number of
nodes between them?
39.Define the principle of superposition
40.What three conditions are needed of
a wave for them to superpose?
41.What is constructive interference?
42.What is destructive interference?
43.Which waves does the principle of
superposition apply to?
44.A node is a result of what type of
interference?
45.An antinode is a result of what type of
interference?
46.Does each point on a stationary wave
have the same amplitude or different
amplitude?
47.Does each point on a progressive
wave have the same amplitude or
different amplitude?
48.Explain the process of stretched
strings to create stationary waves
49.Explain the process of using
microwaves to create stationary
waves
50.Explain the process of using sound
waves to create stationary waves
51.What are harmonics?
52.As frequency increase, what happens
to the harmonics?
53.What is the first harmonic or
fundamental frequency?
54.How can you find the frequency of the
first harmonic?
55.How can you find the frequency of the
second harmonic?
56.How can you find the frequency of the
third harmonic?
3.3.2: Refraction, diffraction and interference:
1. What two conditions are needed for a
wave to be coherent?
2. Why is coherence important for an
inference pattern?
3. Define path difference
4. How is path difference is generally
expressed?
5. What is constructive interference in
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