Oscillations and Waves-Beats (NEET Physics): Questions 9 - 9 of 9
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2099 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.
Rs. 550.00 or
Question number: 9
» Oscillations and Waves » Beats
A person carrying a whistle emitting continuously a note of 272 Hz is running towards a reflecting surface with a speed of 18 km/hour. The speed of sound in air is 345ms -1. The number of beats heard by him is,