9702/12 Physics May Jun 2024 Online Test| Cambridge AS & A Level Grade MCQ
Cambridge
AS & A Level
Physics (9702)
شهریور
2024
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه
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Marila Lombrozo A vehicle carries a microwave transmitter that emits microwaves of a constant frequency. A stationary observer has a microwave receiver.
The vehicle moves directly towards the observer at constant speed. The observer detects microwaves of frequency ${F_o}$.
The vehicle then accelerates, still moving towards the observer, travels at higher steady speed for a time and then decelerates until it stops.
What is the variation in the frequency of the microwaves that are…
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