1.

The ratio between total acceleration of the electron in singly ionized helium atom and hydrogen atom (both in ground state) isA. 1B. 8C. 4D. 16

Answer» Correct Answer - B
`a = v^(2)/( r)`
`:. A prop ((z)^(2))/((l//z))` `(for n = 1)`
or `a prop z^(3)`
`:. (a_(1))/(a_(2)) xx ((2)/(1)) ^(2) = 8`


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