1.The wave described by y=0.25sin(10πx−2πt)y = 0.25 \sin(10\pi x - 2\pi t)y=0.25sin(10πx−2πt), where xxx and yyy are in metre and ttt in second, is a wave travelling along thea.−ve-ve−ve xxx direction with frequency 1 Hz1\,\text{Hz}1Hzb.+ve+ve+ve xxx direction with frequency π Hz\pi\,\text{Hz}πHz and wavelength λ=0.2 m\lambda = 0.2\,\text{m}λ=0.2mc.+ve+ve+ve xxx direction with frequency 1 Hz1\,\text{Hz}1Hz and wavelength λ=0.2 m\lambda = 0.2\,\text{m}λ=0.2md.−ve-ve−ve xxx direction with amplitude 0.25 m0.25\,\text{m}0.25m and wavelength λ=0.2 m\lambda = 0.2\,\text{m}λ=0.2mLogin to continueOnly logged in users canattempt or see the solution.