- #1

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Show that if an H atom is in its ground state the minimum energy photon it can

absorb is 1.634

_{x10}

^{-18}J.

I am using The formula:

E

_{n}

_{2}-E

_{n}

_{1}=hcR∞(1/n

_{1}

^{2}- 1/n

^{2}

_{2})

I keep getting a different value using n1 as 0 and n2 as 1...also using 1 and 2 respectively.

What am I doing incorrectly?