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KEAM 2019 Physics and Chemistry Paper

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Question : 13

Total: 120

A wave along a string has the following equation y = 0.05 sin (28t - 2.Ox) m (where t is in seconds and x is in meters). What are the amplitude, frequency and wavelength of the wave?

amplitude = 0.05 m, frequency = 4.456 Hz and wavelength =3.518 m
amplitude = 0.05 m, frequency = 28 Hz and wavelength =2.0 m
amplitude = 5.0 m, frequency = 4.456 Hz and wavelength =3.518 m
amplitude = 0.05 m, frequency = 2.0 Hz and wavelength = 28 m
amplitude = 0.05 m, frequency = 3.456 Hz and wavelength =4.518 m

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