Do You Have a Science Question for our Community?

Do You Have a Science Question for our Community?

One of our members Miz Abynaah wanted to know more about the Doppler Effect (http://goo.gl/KIOa6B). Mike Aben  wrote this terrific explanation below as well as sharing this great video by +Alt Shift X.

Mike Aben: The Doppler Effect

The Doppler effect occurs whenever an object emitting waves is moving.  The effect is observed with any waves (water, sound, light, etc).  The waves being emitted ahead of the object’s motion are compressed, which means they will reach an observer at a higher frequency than if the object was stationary.  The waves emitted behind the object are stretched out and will reach an observer at a lower frequency.

With sound waves, this affects the pitch of the sound heard.  For example, the sound of a car traveling towards you will be at a higher pitch than the sound of a car moving away from you.  With visible light, it is the colour of the light that is affected.  Lower frequency light is redder, while higher frequency light is bluer.  For the effect to be noticeable with light, the relative velocity of the object to the observer has to be very high.

**

This post was chosen by Zuleyka Zevallos  for #SoG+CuratorsChoice  #physics   #science  

https://www.youtube.com/watch?v=h4OnBYrbCjY//cdn.embedly.com/widgets/platform.js

Join the Conversation

130 Comments


  1. James Garry We appreciate your detailed feedback to some of our followers. If you’re interested in writing about this topic or other science research you are working on, we’d welcome your posts to our Community. It seems like your interests may lie with our Physical category. http://goo.gl/omXUtt Otherwise, thanks for your engagement here!

    Like


  2. I’m


    Not


    sure if you are not the intended recipient, you can get a chance to ?see you in the morning. I have a great day. I have a great deal with. This was my fault for a long day at a very nice and the kids to bed at the time, I think it was not able. The first one. The first one. The first is a very nice and I will be a good idea to have a 50th, but it would take to make a decision to go. The first one to the next few days. .

    Like

Leave a comment

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: