A) 2.5 cm/s
B) 5 cm/sec
C) 10 cm/sec
D) 15 cm/sec
Correct Answer: C
Solution :
Distance between two consecutive crests \[=5cm\] \[\therefore \] wavelength \[\lambda =5cm\] frequency \[n=2\] \[\therefore \] velocity \[\upsilon =n\,\lambda \] \[=2\times 5=10cm/\sec .\]You need to login to perform this action.
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