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
An ambulance siren emits a sound with a single frequency $f$.
The ambulance travels towards, passes close to, and then travels away from a stationary observer.
Which statement describes the frequency of the sound detected by the observer as the ambulance <strong>passes </strong>the observer?