If 0.53 Å is the Bohr's radius for the 1...

If `0.53 Å` is the Bohr's radius for the `1^(st)` orbit of hydrogen, the correct statement(s) in the light of wave mechanical model is/are

A

a) The product of `psi^(2)` and `4pir^(2)` increases till it reaches at the distance of `0.53 Å`.

B

b) `psi^(2)` goes on increasing till it reaches at the distance of `0.53 Å`

C

c) `psi` goes on decreasing till it reaches at the distance of `0.53 Å`

D

d) The nodal point for the 1s orbital is at `0.53 Å`

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The correct Answer is:

A, C

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