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If the energy difference between the ground state of an atom and its excited state is 3.0 x 10^-19J,

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If the energy difference between the ground state of an atom and its excited state is 3.0 x 10-19J, what is the wavelength of the photon required to produce this transition?

(a) 6.62 x 10-9cm

(b) 6.62 x 10-5m 

(c) 6.62 x 10-7m

(d) 6.62 x 10-7cm

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Correct option is (c) 6.62 x 10-7m

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