If uncertainty in momentum is twice the uncertainty in position of an electron then uncertainty in velocity is `(h=(h)/(2pi))` :
If uncertainty in momentum is twice the uncertainty in position of an electron then uncertainty in velocity is `(h=(h)/(2pi))` :
A. `(1)/(2m)sqrt(h)`
B. `(h)/(4pim)`
C. `(1)/(4m)sqrt(h)`
D. `(1)/(m)sqrt(h)`
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Correct Answer - A
Frequency `(f) alpha z ^(2)//n^(3)implies(f_(1))_(H)//(f_(3))_(He^(+))=(1s^(2)//1^(3))//(2^(2)//3^(3))=27//4`
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