Physics · Waves
A sound source emits a frequency of 400 Hz, but a stationary observer hears it as 390 Hz. Why does this happen?
- 1The observer is moving towards the source.
- 2The observer has a defective ear.
- 3The source is moving away from the observer.✓
- 4The source is moving towards the observer.
Correct answer
The source is moving away from the observer.
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Waves?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Waves