![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-white.png)
McqMate
Q. |
A train with a whistle that emits a note of frequency 800 Hz is approaching an observer at speed of 60 m s-1, the frequency of note heard by observer is {{}} |
A. | 978 Hz |
B. | 980 Hz |
C. | 950 Hz |
D. | 900 Hz |
Answer» A. 978 Hz |
View all MCQs in
A Level PhysicsNo comments yet