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Solve the all parts of given question:

Question: The electric field in a laser beam is given by E(x,t) = (1000V m)sin[(pi x10⁷ rad m)x + (3pi x10¹⁵ rad s)t].

Part A: What is the wavelength of the beam? Is the laser beam visible light, IR, or UV?

Part B: What is the (ordinary) frequency of the beam?

Part C: How long does it take the beam to travel 1 nm?

Part D: In which direction is the beam propagating? Explain.

Part E: Given that the magnitude of the electric and magnetic fields in the laser beam are related by E = cB, find the maximum value of the energy density u.

Please give me an explanation for this question.

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