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The IE of a hydrogen-like bohr atom is 4 Rydberg. What is the radius of the first orbit of the atom?
From the energy formulae,|-13.6z^2/n^2| = 4R13.6z^2 = 4*1.01 * 10^-6on solving z = 2.Now radius,r = 0.529 * 1^2/z = 0.529/2 = 0.25 Angstrom or = 0.25 * 10^-10 meter.
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