Basic Science : Atom Models QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
16.The energy required to remove an electron from the second orbit of the hydrogen atom is |
| 13.60 eV |
| 3.40 eV |
| 1.51 eV |
| 2.00 eV |
17.The nucleus of an atom consists of |
| positive charge |
| negative charge |
| both positive and negative charge |
| no charged particles |
18.The radii of the Bohr’s orbit of hydrogen atom are proportional to |
| integer |
| square of integers |
| square root of integers |
| reciprocal of square of integers |
19.Prout’s suggestion on atomic structure was not accepted because |
| the atomic weights of many elements are equal to multiples of the atomic weight of hydrogen |
| the atomic weights of many elements differed from being multiples of atomic weight of hydrogen |
| the atomic weights of all elements are multiples of the atomic weights of hydrogen |
| the atomic weights of all elements are same irrespective of the atomic weight of hydrogen |
20.The value of Rydberg’s constant is |
| 1.094 107 m-1 |
| 1.094 108 m-1 |
| 10.94 107 m-1 |
| 109.4 107 m-1 |
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