GCSE Physics: Waves with questions
and correct answers 2024
Wave Basics - Correct Answers-They transfer energy in the direction they are travelling
-Amplitude-maximum displacement of a point on the wave from its undisturbed postion
-Wavelength-distance between the same point on two adjacent waves
-Frequency-number of complete waves passing a certain point per second, measured in
hertz (Hz)
-Period-one full cycle of a wave to pass a point
Period(s)(T)=1/frequency(f)(Hz)
Transverse waves - Correct Answers-Have perpendicular oscillations to the direction of
energy transfer, electromagnetic waves, ripples and a wave on string are examples
Longitudinal waves - Correct Answers-Have oscillations that are parallel to the direction
of energy transfer, sound waves and shock waves are examples
Wave speed - Correct Answerswave speed (m/s) = frequency (Hz) x wavelength (m)
Experiments with waves - Correct Answers-Oscilloscope, will measure the speed of
sound
-Measure the speed of water ripples using a strobe light- increase frequency of the
strobe light until wave pattern on the screen appears to 'freeze', measure the distance
between the shaded lines, use the formula to find speed waves
-Use wave equations for the waves on strings
1)set up equipment and turn on the signal generator and vibration transducer
2)adjust the freq. setting on the signal generator to change length of the wave created
on the string
3)measure the wavelength of the wave
4)Use formula to find out speed
Reflection - Correct Answers-angle of incidence=angle of reflection
-angle of incidence is the angle between the incoming wave and the normal
-angle of reflection is the angle between the reflected wave and the normal
-normal is the imaginary line that's perpendicular to the surface at the point of incidence
-reflection can be specular or diffuse
-Specular is when its reflected in single direction , a smooth surface
-Diffuse is when a wave is reflected by a rough surface and reflected rays are scattered
in lots of different directions and matte surface
Refraction - Correct Answers-waves changing direction at a boundary, how much
refraction occurs depends on the speed or how quick it slows down, usually depending
on the density of the two materials
-if a wave crosses a boundary and slows down it will bend towards the normal and vice
versa
and correct answers 2024
Wave Basics - Correct Answers-They transfer energy in the direction they are travelling
-Amplitude-maximum displacement of a point on the wave from its undisturbed postion
-Wavelength-distance between the same point on two adjacent waves
-Frequency-number of complete waves passing a certain point per second, measured in
hertz (Hz)
-Period-one full cycle of a wave to pass a point
Period(s)(T)=1/frequency(f)(Hz)
Transverse waves - Correct Answers-Have perpendicular oscillations to the direction of
energy transfer, electromagnetic waves, ripples and a wave on string are examples
Longitudinal waves - Correct Answers-Have oscillations that are parallel to the direction
of energy transfer, sound waves and shock waves are examples
Wave speed - Correct Answerswave speed (m/s) = frequency (Hz) x wavelength (m)
Experiments with waves - Correct Answers-Oscilloscope, will measure the speed of
sound
-Measure the speed of water ripples using a strobe light- increase frequency of the
strobe light until wave pattern on the screen appears to 'freeze', measure the distance
between the shaded lines, use the formula to find speed waves
-Use wave equations for the waves on strings
1)set up equipment and turn on the signal generator and vibration transducer
2)adjust the freq. setting on the signal generator to change length of the wave created
on the string
3)measure the wavelength of the wave
4)Use formula to find out speed
Reflection - Correct Answers-angle of incidence=angle of reflection
-angle of incidence is the angle between the incoming wave and the normal
-angle of reflection is the angle between the reflected wave and the normal
-normal is the imaginary line that's perpendicular to the surface at the point of incidence
-reflection can be specular or diffuse
-Specular is when its reflected in single direction , a smooth surface
-Diffuse is when a wave is reflected by a rough surface and reflected rays are scattered
in lots of different directions and matte surface
Refraction - Correct Answers-waves changing direction at a boundary, how much
refraction occurs depends on the speed or how quick it slows down, usually depending
on the density of the two materials
-if a wave crosses a boundary and slows down it will bend towards the normal and vice
versa
