9702/13 Physics Oct Nov 2023 Online Test | Cambridge AS & A Level Grade MCQ
Cambridge
AS & A Level
Physics (9702)
بهمن
2023
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه
پیش نمایش صفحه اول فایل
Marila Lombrozo The basic principle of note production in a horn is to set up a stationary wave in an air column.
For the lowest note produced by a horn, a node is formed at the mouthpiece and the antinode is formed at the bell. The frequency of this note is 75 Hz.
What are the frequencies of the next two higher notes for this air column?
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