1.

The ratio of area covered by second orbital to the first orbital is

Answer»

`1 : 1`
`1 : 16`
`8 : 1`
`16 : 1`

Solution :`r_(n) prop n^(2) :.` AREA COVERED `(A_(n)) prop n^(4) " " ( :' " Area " = pi^(2))`
`:. (A_(2))/(A_(1)) = (2^(4))/(1^(4)) = (16)/(1)`


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