IB Physics: The DOPPLER Effect

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IB Physics Topic 9.5
"I would just like to say a massive thank you to you for uploading your videos. I started the IB [and]decided to try HL Physics as it seemed interesting. It turned out to be very far from my forté and I was consistently getting 3s and 4s in tests and mock exams. So a few months before the exam period of this year, I began to panic...Then I discovered your channel. For four weeks prior to paper one, I virtually worshipped your videos, and worked along to them in my 'Big Book of Revision.' Last week, I received my results. Incredibly and almost unbelievably, I obtained a 6 in HL Physics. Not only that, but I was 3 marks off a 7."
Table of Contents:

00:00 - Introduction
00:25 - Circular Pattern
04:17 - IB Style Multiple Choice
05:57 - Speed of waves in medium
06:41 - Moving Source Equation
10:38 - IB Data Booklet
11:46 - Rank Task Exercise
13:13 - How to Choose Signs in the Doppler Equation
14:35 - Equations reflect relative motion
16:22 - Double Doppler Example
19:19 - Doppler Effect for Electromagnetic Waves
21:19 - IB Data Booklet equation
23:45 - Line Spectra Example
25:46 - Numerical Example
27:24 - How Police Radar works
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just thought i’d pop this here
i had failed (3) my last 2 exam blocks and was not confident for my mock exams
i found your channel and binged all the hl topics
and i ended up getting a 6 on my mocks!
thank you so so much!

rosahu
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awesome channel! (from a M3 student) :)

thegreatf
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Thanks Mr. Doner for the video! Just a question: Do you think Doppler Effect would be a good topic for Physics IA?

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Thank you, Mr Doner! I am a proud member of your channel 😁

ashwinrao
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can u tell me the answers to the worksheet

pokefastu