The graph shows the variation of displacement y y\,y with distance x x\,x for a transverse wave propagating along a stretched string.
What are the amplitude and the wavelength of the wave?
Amplitude = 2.8 μm2.8\ \mu\text{m}2.8 μm, Wavelength = 30.0 cm30.0\text{ cm}30.0 cm
Amplitude = 5.6 μm5.6\ \mu\text{m}5.6 μm, Wavelength = 30.0 cm30.0\text{ cm}30.0 cm
Amplitude = 2.8 μm2.8\ \mu\text{m}2.8 μm, Wavelength = 15.0 cm15.0\text{ cm}15.0 cm
Amplitude = 5.6 μm5.6\ \mu\text{m}5.6 μm, Wavelength = 15.0 cm15.0\text{ cm}15.0 cm