9702/12 Physics Oct Nov 2023 Online Test | Cambridge AS & A Level Grade MCQ
CIE
AS & A Level
Physics (9702)
بهمن
2023
مشاهده نمونه سوال
شامل مباحث:
Chapter 8: Electric current
Chapter 9: Kirchhoff’s laws
Chapter 10: Resistance and resistivity
Chapter 11: Practical circuits
Chapter 12: Waves
Chapter 13: Superposition of waves
Chapter 14: Stationary waves
Chapter 15: Atomic structure
Chapter 8: Electric current
Chapter 9: Kirchhoff’s laws
Chapter 10: Resistance and resistivity
Chapter 11: Practical circuits
Chapter 12: Waves
Chapter 13: Superposition of waves
Chapter 14: Stationary waves
Chapter 15: Atomic structure
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه

پیش نمایش صفحه اول فایل
A corridor is 13.2 m long and has closed doors that reflect sound at both ends. The speed of sound in the air in the corridor is $330m{s^{ - 1}}$.
What is the lowest frequency of sound that could create a stationary wave in the corridor with a node halfway along it?