Basic Science : Atom Models QUESTIONS AND ANSWERS :: part1 : 26 to 30
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
26.The series of the hydrogen spectral lines given by the expression 1/λ = R (1/12 – 1/n2), n=2, 3, 4, … is |
| Balmer series |
| Lyman series |
| Paschen series |
| Pfund series |
27.An atom is made up of a number of electrons embedded in a sphere of positive charge. This was proposed by |
| Prout |
| Dalton |
| Thomson |
| Rutherford |
28.The radius of nth orbit in hydrogen is proportional to square of Opt 1 : principal quantum number |
| orbital quantum number |
| spin quantum number |
| magnetic quantum number |
| rincipal quantum number |
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