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Compute each part of given problem:

Problem: A 150MW laser pulse is focused with a lens to a diameter of 2.0m.

Part A: What is the laser beams electric field amplitude at the focal point?

Part B: What is the ratio of the laser beams electric field to the electric field that keeps the electron bound to the proton of a hydrogen atom? The radius of the electron's orbit is 0.053 nm.

Any expert will able to provide correct answer for the above problem.

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