Two Source Interference of Waves - A Level Physics

This video introduces and explains two source interference of waves for A Level Physics.

Throw stones into a pond and the ripples pass through each other. The same effect of wave interference is also seen with sound, light, and microwaves. The two sources interfere with each other causing louder spots, caused by constructive interference, and quieter spots, caused by destructive interference. This is sometimes called two point source interference because the two sources are treated as point sources.

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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[MelloCello]

We need more accurate visual representation of wave interference instead of wrote explanation.Intuitive descriptions is the way to go!!
Thank you so much again for this!!

[forthemaxandminmin]

I love your accent, nice British guy!

[AviationXPlane]

Really helpful! Thank you for these videos, really professionally done, makes a nice change. This channel will grow to be very popular, I've shared a link with my class. Thanks :))

[brucesewe]

I underestimated this youtube channel. Good Job!

[summayahjeffrey]

You explain things so clearly. I love it! ☺️Thank You

[GeekRedux]

Thanks for making me aware of the existence of the RippleFree app!

[Julian.u]

This is one source going through two slits. It is not trivial two show that photons, that only interfere with themselves, can still show an interference pattern even with two independent sources. The experiment was done on 1967 and the quantum explanation is far from trivial

[zainabbabersattar]

Thank you sooo much! These videos are AMAZING!!

[radinelaj]

I think if that experiment would be replaced with a canon sand( not laser canon) would happen the same thing. It means : the experiment doesn't show anything because sand is particle, that( same thing ) would happen with all things as : sugar grain, salt grain, sand grain etc...( the photon doesn t interfere with itself but crashes with border of slit part (ricocheted the lips/borders of the slit )

[БаянгалиЗайкен]

Find the Destructive and constructive interference?

[JsaintUK]

What is the practical where you use a CD to work out the wavelength of a certain colour of light?

[diyapatel]

there is no link for the microwave video in your description box? :(

[dieselphiend]

Contradictions makes all of this possible.

[mariehill]

If you cover one of the slits, would the light be less spread out than the light with two slits as it is only being diffracted once whereas with two it is getting diffracted twice?

[ubelazy]

How does the microwave emitter work if the source is not coherent?

[jirioto]

What about intermodulation interference(distortion-bias) patented and used almost around the world? Yeh, that 44100 vs. 48000 Hz. Case is when put your CD(or mp3) into your player(any). Players plays nicely only if your data are recorded into 48000Hz natively, no filtering needed. Otherways sh*t happens.

[michaelliu]

what is the name of the app demonstrating interference?

[uniklimbu]

What is the app's name? Amazing video btw !!1

[husnainmunawar]

How the fuck can they be equal to the weight of