---
title: "What is the Doppler effect?"  
description: "What is the Doppler effect?"  
author: "Erick Wilsom"  
published: 2023-10-19  
updated: 2023-10-19  
canonical: https://answers.mindstick.com/qa/103923/what-is-the-doppler-effect  
category: "science"  
tags: ["science"]  
reading_time: 1 minute  

---

# What is the Doppler effect?



## Answers

### Answer by Kshitij Agrawal

**There is [increase](https://www.mindstick.com/news/2333/mahindra-s-q4-profit-increased-by-46-as-vehicle-sales-increased-by-75) in the sounds frequency, [light](https://www.mindstick.com/news/1842/daylight-reproduces-more-accurately-by-the-leds-smart-lighting-system-based-on-quantum-dots) or some other wave as there [source](https://www.mindstick.com/interview/840/what-happens-if-the-both-source-and-destination-are-named-same) or [observer](https://www.mindstick.com/interview/2193/how-are-observer-and-observable-used-in-java) move towards each other called doppler [effect](https://www.mindstick.com/interview/1501/name-some-of-the-methods-of-jquery-used-to-provide-effects).**

**So if we talk about doppler effect in [sound](https://yourviews.mindstick.com/story/4985/the-secret-behind-the-sound-energy-in-conch-shells-shankh) so it is said as when sound object moves towards the listener, frequency of sound wave increases which is concluded to be the higher pitch. In the same way the sound object is away the pitch gets decreased, this is doppler effect or doppler [shift](https://www.mindstick.com/interview/520/how-to-shift-and-unshift-using-javascript) in sound.**

**In the prospective of light so light doesn't gets any medium to [travel](https://www.mindstick.com/articles/44103/5-things-you-must-know-before-visiting-morocco-travel) so doppler shift for light travelling in vaccum only depend on the [relative](https://www.mindstick.com/interview/33881/overview-of-relative-absolute-fixed-and-sticky-positioning-in-css) [speed](https://www.mindstick.com/articles/167715/how-will-be-the-internet-be-like-in-2034) of source.**


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Original Source: https://answers.mindstick.com/qa/103923/what-is-the-doppler-effect

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