EmmanuellaUwaifo
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Could someone explain the Doppler effect please???? Xx
Thanks
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bubblegum219
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change in the observed wavelength and frequency of a wave due to it's source of motion - I think
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nerdyminion
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(Original post by EmmanuellaUwaifo)
Could someone explain the Doppler effect please???? Xx
Thanks
When a wave source (anything that emits any type of waves) moves towards the observer, the wavelengths are compressed. Consequently, this causes the waves to have a shorter wavelength, and therefore a higher frequency. As a result of this, (if it is sound waves) the pitch of the sound is higher since the frequency is higher.

When a wave source moves away from the observer, the wavelengths are stretched. Consequently, this causes the waves to have a longer wavelength, and therefore a lower frequency. As a result of this, (if it is sound waves) the pitch of the sound is lower due to the frequency being lower.

Hope this helps
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TheLizardKing
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Stuff Coming towards you seems to have a higher frequency (and therefore shorter wavelength). Stuff moving away from you seems to have longer wavelengths and lower frequencies.

Simple as.
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lukman200
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Who's done the p1 aqa paper and knows what's coming up today
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lukman200
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Start a mark scheme here?
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EmmanuellaUwaifo
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(Original post by lukman200)
Start a mark scheme here?
Yeah sure!!!
My exam finishes at 3:00. 3:30 we commence the grouping of ideas ??
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EmmanuellaUwaifo
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Can anyone also explain kilowatt hours please
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