1.

Which of the following is not true for this progressive wave \[y=4\sin 2\pi \left( \frac{t}{0.02}-\frac{x}{100} \right)\] where \[y\] and \[x\] are in cm & \[t\] in sec                                                       [CPMT 2003]

A.            Its amplitude is 4 cm
B.            Its wavelength is 100 cm
C.            Its frequency is 50 cycles/sec
D.            Its propagation velocity is \[50\times {{10}^{3}}\] cm/sec
Answer» E.


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