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Physics Waves AQA AS Exam Questions and Answers 100% Pass

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Physics Waves AQA AS Exam Questions and Answers 100% Pass What does a wave do? Transports energy from one place to another What are mechanical waves? Mechanical waves use particles to transfer energy (neighboring particles bump into each other and set their neighbors moving) What are e...

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  • June 29, 2024
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Physics Waves AQA AS Exam Questions and Answers 100%
Pass
What does a wave do?
Transports energy from one place to another


What are mechanical waves?
Mechanical waves use particles to transfer energy (neighboring particles bump into each other and
set their neighbors moving)


What are electromagnetic waves?
Electromagnetic waves don't use particle vibration to transfer their energy and can therefore travel
through a vacuum. e.g. light


What is the unit of frequency?
Hertz (Hz)


What is the wave equation?
c=fxλ
wavespeed = frequency x wavelength


Longitudinal wave
Vibrations in a longitudinal wave are parallel to the direction in which the energy is traveling Eg.
sound


Transverse wave
Vibrations in a transverse wave are perpendicular (at right angles) to the direction in which the energy
is traveling Eg. light.


Define wavelength
The shortest distance between two particles that are oscillating in phase


Period of a wave
The time taken for one complete oscillation of a particle in the wave


Period Equation
f = 1/T


Amplitude
Maximum displacement from the mean position


Frequency
Number of oscillations per second


Analogue signals

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