The wave described by y = 0.25 sin (10 π x -2 πt), where x and y are in metre and t in second, is a wave travelling along the
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- ve x direction with frequency 1 Hz
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+ve x direction with frequency π Hz and wavelength λ = 0.2 m
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+ve x direction with frequency 1 Hz and wavelength λ = 0.2 m
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-ve x direction with amplitude 0.25 m and wavelength λ = 0.2 m
