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CBSE Class 11-science Answered

give the answer please
Asked by Anil | 21 Jun, 2017, 09:23: AM
answered-by-expert Expert Answer
Dear anilbhat32@gmail.com

Thanks for asking us a question in Ask the Expert section of TopperLearning.com.

straight psi subscript straight r space equals space fraction numerator 1 over denominator square root of 8 end fraction space open parentheses straight z over straight a subscript 0 close parentheses to the power of 3 over 2 end exponent space open parentheses 2 space minus space zr over straight a subscript 0 close parentheses space straight e to the power of negative fraction numerator zr over denominator 2 straight a subscript 0 end fraction end exponent  For space radial space node comma space straight r space equals space straight r subscript 0 space comma space straight psi subscript straight r superscript 2 space equals space 0. space This space is space possible space when comma  open parentheses 2 space minus space straight r subscript 0 over straight a subscript 0 close parentheses space equals space 0  or  bold r subscript bold 0 bold space bold equals bold space bold 2 bold a subscript bold 0
 
so, option (2) is correct.


Regards,

Topperlearning Team.
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