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(Rydberg constant) for H-atom is x m-1. Corresponding value for this constant for He+ ion is
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a
100x cm-1
b
400x cm-1
c
4x cm-1
d
0.04x cm-1
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Correct option is D
v¯=R¯HZ21n12−1n22R¯H=2π2me4k2ch3=x m−1 for H-atomR¯Z=2π2me4k2ch3Z2For a species of atomic number Z (with one electron only)R¯ZR¯H=Z2∴ R¯Z=(2)2R¯H=4×m−1=4×100cm−1=0.04×cm−1Similar Questions
The radius of the second Bohr orbit in terms of the Bohr radius,
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