Waves Quiz (1) Physics AS Level
Cambridge
AS & A Level
Physics (9702)
فروردین
2010
شامل مباحث:
Chapter 12: Waves
تعداد سوالات: 20
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه
پیش نمایش صفحه اول فایل
A source of sound waves is moving at a constant speed directly towards a stationary observer.
The sound waves have a speed of $340 m s^{–1}$ and a frequency of $480 Hz$. The observer hears sound waves of frequency $650 Hz$.
What is the speed of the source?