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36. The magnitude of the energy of the electron in a hydrogen atom is proportional to (r- radius of the orbit)
A. r
B. 1/r
C. r2
D. 1/ r2
Explanation:
37. The wave number is the number
A. of waves that cross in one second
B. associated with the orbit
C. of waves per unit length
D. of spectral lines produced
Explanation:
38. For ionizing an excited hydrogen atom, the energy required in eV will be
A. a little less than 13.6 eV
B. 13.6 eV
C. more than 13.6 eV
D. 3.4 eV or loss
Explanation:
39. Which of the following is similar to the solar system
A. Rutherford atom model
B. Dalton atom model
C. Thomson atom model
D. Prout atom model
Explanation:
40. When the electron of hydrogen atom jumps from any of the outer orbits to the first orbit, the series of spectral lines emitted is called
A. Balmer series
B. Paschen series
C. Brackett series
D. Lyman series
Explanation:
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