IIT JEE : Atoms Molecules And Nuclei QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
16.If ionization energy of a hydrogen like atom is 4 Rydberg. Then atomic number of the atom will be |
| 2 |
| 3 |
| 4 |
| 8 |
17.Binding energy of deuterium is 2.23 MeV. Mass defect in amu is |
| 0.0012 |
| 0.0024 |
| 0.0036 |
| - 0.0012 |
18.Minimum excitation potential required to bring the electron into the second orbit of hydrogen atom is |
| 3.4 V |
| 3.9 V |
| 10.2 V |
| 13.6 V |
19.Half life of a radioactive material whose 1 / 32 th part is left after two hours is one hours is |
| one hour |
| 1 / 2 hours |
| 20 minutes |
| 15 minutes |
20.Mass of the fuel required to generate an energy of 1000 MW will be |
| 0.01 mg/sec |
| 5.2 mg/sec |
| 4 kg/sec |
| 4.73 kg/minute |
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