Question 2: a. In a Compton scattering, a photon of wavelength (439)x1omis collided with an electron and scattered through an angle (69)°. Calculate the energy transferred to the electron in this collision. b. A rectangular block of copper having dimensions (20.5) cm x (20.5) cm x (49) cm. If the resistivity (p) of copper is 17.2 n fim, determine its resistance.

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