Question

If the energy difference between the ground state
and excited state of an atom is 4.4 x 10-19 J. The
wavelength of photon required to produce this
transition is
(1) 4.5 x 10-7 m (2) 4.5 x 10-7 nm
(3) 4.5 × 10-7 Å (4) 4.5 × 10-7 cm​

Answer 1

Answer:

ch/lambda= to energy given

you will get ur answer

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Answer 2

Answer:

correct answer is option no 1