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- 13. Two-point sources vibrate in phase at the same frequency. They set up an interference pattern in which a point on the second nodal line is 29.5cm from one source and 25.0 cm from the other. The speed of the waves is 7.5cm/s. a. Calculate the wavelength of the waves b. Calculate the frequency at which the sources are vibrating [2T] [2T]What is the wavelength of the wave?27. Which wavelength is not a possibility for a 1 m long pipe open at both ends? O A. 0.25 m B. 0.5 m C. 1 m O D. 2 m O E. 4 m Back Save & Continue
- 44.) Refraction occurs when a wave strikes an object and bounces off, moving in another direction a. True b. False#2. The radio wave from station 103.3 FM can be written as y = 0.721 cos(6.49 x 10°t). Recall that radio waves travel at the speed of light (3.00× 10 m/s). Determine the following: A) Wavelength B) Frequency and period C) Amplitude