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Chemistry Mixed Test - 2 (Engineering Entrance)

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If ' r ' is the radius of first orbit , the radius of nth orbit of the H - atom will be ?

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A
r n2 .
💡 Explanation:

This option is correct because radius of nth orbit is given by , r n= ( 0.529 n2 ) / Z . Radius of first bohr's orbit is , r  =  0.529 . Hence, radius of nth orbit will be = r n2 . Hence, this option is correct  .

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