1.1 Describe how a sinusoidal wave due to oscillations and undulations exhibit a Mexican wave. (05) ck+Ak k-Ak 1.2 Consi

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1 1 Describe How A Sinusoidal Wave Due To Oscillations And Undulations Exhibit A Mexican Wave 05 Ck Ak K Ak 1 2 Consi 1 (26.47 KiB) Viewed 53 times

1.1 Describe how a sinusoidal wave due to oscillations and undulations exhibit a Mexican wave. (05) ck+Ak k-Ak 1.2 Consider the wave packet represented by (x, t) = fkk Acos(k'x-w't) dk', where A is a constant and assume the dispersion relation @= ck', where c is constant. Show that (x, t) = 2AAk- sin Ak[x-ct] Ak[x-ct] cos k(x- ct). (05) x MA 1.3 Illustrate the components of momentum and energy for a scattering of an incident x-ray by a stationary electron. (05) fel 1.4 Use conservation of energy to show that e? - 2ee, +7=E7-2E,mec² + m2c from the process in 1.3 above. (05) Encore = Eapher