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 3 years ago
A longitudinal wave of wavelenght 12m has a frequency of 40Hz. What is its speed? On entering a different medium its speed doubles. What happens to:
(i)its frequency
(ii)its wavelenght?
 3 years ago
A longitudinal wave of wavelenght 12m has a frequency of 40Hz. What is its speed? On entering a different medium its speed doubles. What happens to: (i)its frequency (ii)its wavelenght?

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pratu043
 3 years ago
Best ResponseYou've already chosen the best response.0Speed = 12*40 = 480 m/s Sorry, but I'm not sure how to calculate frequency and wavelength if speed doubles.

hei
 3 years ago
Best ResponseYou've already chosen the best response.0when it become faster, wave length become shorter, frequency increase, i think wavelength will be half and frequency will be twice, not very sure
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