4 Waves

This topic a meaty one with plenty of learnt facts and calculations to build on the facts. You must write notes to help you remember the key points. Also try out the virtual links and further reading. However, don’t get too carried away with all the music stuff which can go pretty deep.

Resources

04 Waves Student Booklet

4.1 Waves and vibrations

04.1 Waves and Vibration

12_1_Polarisation_Further Reading (Word)

SHM Examples from IOP

4.2 Measuring waves

04.2 Measuring Waves

12_2_Practical_Speed_of_sound_Dual_Beam (Word)

12_2_Dual_Beam_Results (Excel)

12_2_Practical_Speed_of_sound_In_Solid (Word)

12_2_Practical_Speed_of_sound_Lisajou_Fig (Word)

 

4.3 Wave Properties 1

04.3 Wave Props1

12_3_Reflection_Refraction_Diffraction_Int_TIR Notes (Word)

Riple Tank Simulation (Private Study – must do)

4.4 Wave Properties 2

04.4 Wave Props2

12_4_HSW_interference_using_microwaves (Practical or Data Exercise)

12_4_Two_Point_Interference_Notes (Word – Extra reading)

12_4_Superposition (Excel – Interactive addition of waves)

4.5 Stationary and Progressive Waves

04.5 Stat and Progressive

12_5_Practical_Stationary_Waves_Worksheet (Word)

12_5_standing_waves_extension (Word)

 

4.6 More about stationary waves on strings

04.6 Strings waves

12.6 Beats Extension Reading (Word)

12_6_Deeper_Reading_Scales_and_Tuning (Word)

12_6_Guitar_Scales_Freq (XLS)

12_6_Extension_Understanding_stationary_waves Worksheet (Word)

Instrument_Frequencies (Html Table of Instruments)

12_6_String_Nodes_Results (Excel)

12_6_musical_scale (Excel – frequencies from Wiki)

4.7 Using an Oscilloscope

04.7 Using an Oscilloscope

Polarisation of Waves - A Level Physics

In the video I explain the polarisation of waves (including the polarisation of light) for A Level Physics.

Only transverse waves can be polarised, this video explains why. It also shows
why sunglasses are known as 'polaroids' and how you can test this yourself on a sunny day.

Update - Please note that the reflected light waves from water are actually horizontally polarised:
https://sureshemre.wordpress.com/2014/01/02/light-reflecting-off-water-is-polarized/
https://www.osapublishing.org/DirectPDFAccess/70EF21F6-C0C6-DC00-994222A32CB6DCEF_276371/oe-21-26-32549.pdf?da=1&id=276371&seq=0&mobile=no

Thanks for watching,

Lewis

This video is recommended for anyone studying A Level Physics in the following exam boards:
AQA
CIE
Edexcel
Edexcel IAL
Eduqas
IB
OCR A
OCR B
WJEC

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