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 jet aircraft travels at a speed of 0.80v, where v is the speed of sound. The aircraft directly approaches a stationary observer. The frequency of sound emitted by the aircraft is 100 Hz.
Which frequency does the observer hear?