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1. |
A source moves towards a stationary observer with a speed of 10m/s. If the frequency of the source is 10Hz what will be the wavelength of sound heard by the observer? Speed of sound = 330m/s. |
A. | 32m |
B. | 34m |
C. | 33m |
D. | 31m |
Answer» B. 34m | |