What is the Doppler effect?

The Doppler effect is the change in frequency that occurs when a source is moving relative to an observer. If the source moves away from the observer, the wavelength will be increased and therefore the frequency decreases. Similarly, if the source moves towards the observer, the wavelength will decrease and frequency is increased.

AM
Answered by Alex M. Physics tutor

3454 Views

See similar Physics GCSE tutors

Related Physics GCSE answers

All answers ▸

Two cars are moving parallel to each other on a road. The first car is moving at a speed of 11 m/s, while the second car is moving at 17 m/s, what is the speed of the second car, relative to the first car.


Describe the motion of a moving object with a given Displacement-Time graph. For each section on the graph, indicate the direction of motion and identify if the object is accelerating or not. What would the object's Velocity-Time graph look like?


A motor does 4.8kJ of work in 2 minutes. What is its power output?


Explain the resistance of and electrical component and what affects its value in a wire.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences