(a) The Schrodinger wave equation for hydrogen atom is: ψ_(2s) = 1/(4(2π)^(1/2))(1/a_0)^(3/2)(2−r/a_0)e^(-r//2a_

### Question Asked by a Student from EXXAMM.com Team

Q 2578167906.     (a) The Schrodinger wave equation for hydrogen atom is:

ψ_(2s) = 1/(4(2π)^(1/2))(1/a_0)^(3/2)(2−r/a_0)e^(-r//2a_0)

where a_0 is Bohr's radius. Let the radial node in 2s be at r_0. Then find r in terms of a_0

(b) A baseball having mass 100 g moves with velocity 100 m/s. Determine the value of wavelength of baseball.

(c) In the following nuclear reaction
text()_92^(234)X underset(-6 beta) overset (-7 alpha) (->) Y`
determine atomic number and mass number of Y and identify it.
JEE 2004 Mains

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