1.

The radius of hydrogen atom is ground state is 5xx10^(-11)m. Find the radius of hydrogen atom is fermimetre.(1fm=10^(-15)m)

Answer»

`5XX10^(4)fm`
`2xx10^(4)m`
`5xx10^(2)fm`
`5xx10^(6)fm`

SOLUTION :(a) `:. 10^(-15)m=1fm`
`:.1m=10^(15)fm`
`:. 5xx10^(-11)m=5xx10^(-11)xx10^(15)fm=5xx10^(4)fm`


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