A) 2000 m/s
B) 800 m/s
C) 320 m/s
D) Speed cannot be calculated from frequency and wavelength
Correct Answer: A
Solution :
n = 800 Hertz \[\lambda =2.5\,\,m\] v=9 Formula, \[v=n\lambda \] \[=800\times 2.5\,\,m/s\] \[=2000\,\,m/s\]You need to login to perform this action.
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