The equation \[y=A{{\cos }^{2}}\left( 2\pi \ nt-2\pi \frac{x}{\lambda } \right)\] represents a wave with [KCET 2002]

Amplitude A/2, frequency \[2n\] and wavelength \[\lambda \]

Amplitude A/2, frequency \[2n\] and wavelength \[\lambda /2\]

Amplitude A/2, frequency \[2n\] and wavelength \[\lambda \]

Amplitude A, frequency \[2n\] and wavelength \[2\lambda \]

Amplitude A, frequency \[n\] and wavelength \[\lambda \]

The equation \[y=A{{\cos }^{2}}\left( 2\pi \ nt-2\pi \frac{x}{\lambda

1.	The equation \[y=A{{\cos }^{2}}\left( 2\pi \ nt-2\pi \frac{x}{\lambda } \right)\] represents a wave with [KCET 2002]
A.	Amplitude A/2, frequency \[2n\] and wavelength \[\lambda /2\]
B.	Amplitude A/2, frequency \[2n\] and wavelength \[\lambda \]
C.	Amplitude A, frequency \[2n\] and wavelength \[2\lambda \]
D.	Amplitude A, frequency \[n\] and wavelength \[\lambda \]
Answer» B. Amplitude A/2, frequency \[2n\] and wavelength \[\lambda \]