Explain what is meant by the Doppler Effect. Explain one real-world application of the Doppler Effect.

2.The Doppler Effect explains why you hear a train whistle differently after it passes you than you do as it approaches you.

True or false ?

Question

Explain what is meant by the Doppler Effect. Explain one real-world application of the Doppler Effect. 
  
2.The Doppler Effect explains why you hear a train whistle differently after it passes you than you do as it approaches you. 
  
True or false ?

asylum15 · Answer

Doppler Effect - An increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each.

Sirens on a police car - One World Application.

And True! :)

anonymous · Answer

Thank Youu Soo Much