In which year was the Doppler effect discovered by Austrian scientist Christian
Doppler, that describes the change in frequency of any kind of sound or light wave
produced by a moving source with respect to an observer?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 1842
- The Doppler effect, which describes the change in frequency of sound or light waves produced by a moving source with respect to an observer, was discovered by Austrian scientist Christian Doppler in the year 1842.
- Christian Doppler's work on this phenomenon has had significant applications in various fields, including physics, astronomy, and the study of sound and light waves.