Doppler effect
/ˈdɒplər ɪfekt/noun
उच्चारण डॉप्लर इफ़ेक्ट
डॉप्लर प्रभाव
Advanced word
noun
- 1
[singular] technical
the change in the frequency of sound or light waves when the source and the observer move towards or away from each other
डॉप्लर प्रभाव
- The changing sound of a passing ambulance siren is an example of the Doppler effect.
- Police speed guns work on the Doppler effect.