(3) (a) List and Explain 3 phenomena which confirms the advent of Quantum mechanics. (b) Convert...

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(3) (a) List and Explain 3 phenomena which confirms the advent of Quantum mechanics. (b) Convert E2)=(W) to a form involving the unperturbed wave functions, IPn), instead of the first-order correction to the wave function, 4). (c) Calculate the energy of a photon of blue light, 2-450 nm in air (or vacuum). (3) (a) List and Explain 3 phenomena which confirms the advent of Quantum mechanics. (b) Convert E2)=(W) to a form involving the unperturbed wave functions, IPn), instead of the first-order correction to the wave function, 4). (c) Calculate the energy of a photon of blue light, 2-450 nm in air (or vacuum).