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a.The schrodinger wave equation for hydr...

a.The schrodinger wave equation for hydrogen atom is `psi_(2s) = (1)/(4sqrt(2pi)) ((1)/(a_(0)))^((3)/(2)) (2 - (r_(0))/(a_(0)))e^((-(r )/(a))`
When `a_(0)` is Bohr's radius. Let the radial node in `2s` be at `r_0` .Then find `r_(0)` in terms of `a_(0)` .
b. A base ball having mass `100 g` moves with velocity `100 m s^(-1) `.Find the value of the wavelength of the base ball.

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