If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Physics Chapterwise. In this article of AKVTutorials, you will get Nuclei CBSE Class 12 Physics MCQ Questions with Answer Keys Solutions
MCQ Questions for Class 12 Physics Chapter 13 Question No 11:
A radioactive isotope of silver has half life of 20 minutes. The fraction of the original activity that remain after one hour is:
Option A : 2 / 7
Option B : 1 / 8
Option C : 7 / 8
Option D : 1 / 60
Show/Hide Answer
Option B : 1 / 8
MCQ Questions for Class 12 Physics Chapter 13 Question No 12:
Isotopes of an element are the atoms of an element which have:
Option A : Same atomic number and atomic mass
Option B : Same atomic mass but different atomic number
Option C : Same atomic number but different atomic mass
Option D : Different atomic number and different atomic mass
Show/Hide Answer
Option C : Same atomic number but different atomic mass
MCQ Questions for Class 12 Physics Chapter 13 Question No 13:
Energy of 1kg uranium is equal to
Option A : 9 × 1013 Joule
Option B : 9 × 1016 Joule
Option C : 9 × 10-3 Joule
Option D : 3 × 1013 Joule
Show/Hide Answer
Option A : 9 × 1013 Joule
MCQ Questions for Class 12 Physics Chapter 13 Question No 14:
The force acting between proton and proton inside the nucleus is
Option A : Coulombic
Option B : Nuclear
Option C : Both
Option D : Magnetic
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Option C : Both
MCQ Questions for Class 12 Physics Chapter 13 Question No 15:
The radius of a nucleus of a mass number A is directly proportional to
Option A : A3
Option B : A1/3
Option C : A-3
Option D : A2
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Option B : A1/3
MCQ Questions for Class 12 Physics Chapter 13 Question No 16:
The control rod in a nuclear reactor is made of
Option A : Uranium
Option B : Cadmium
Option C : Graphite
Option D : Plutonium
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Option B : Cadmium
MCQ Questions for Class 12 Physics Chapter 13 Question No 17:
The process by which a heavy nucleus splits into light nucleus is known as
Option A : Fission
Option B : α-decay
Option C : Fusion
Option D : Chain reaction
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Option A : Fission
MCQ Questions for Class 12 Physics Chapter 13 Question No 18:
The explosion of the atomic bomb takes place due to
Option A : Nuclear fission
Option B : Nuclear fusion
Option C : Scattering
Option D : Thermionic emission
Show/Hide Answer
Option A : Nuclear fission
MCQ Questions for Class 12 Physics Chapter 13 Question No 19:
The explosion of the hydrogen bomb takes place due to
Option A : Alpha radiation has the greatest ionizing power
Option B : Beta radiation has the greatest ionizing power
Option C : Gamma radiation has the greatest ionizing power
Option D : Alpha, beta and gamma radiation have nearly equal ionizing power
Show/Hide Answer
Option B : Nuclear fusion
MCQ Questions for Class 12 Physics Chapter 13 Question No 20:
If the mass defected of 8O16 nucleus is 0.128 amu, then the binding energy per nucleon of oxygen is:
Option A : 8.2 MeV
Option B : 7.45 MeV
Option C : 7.3 MeV
Option D : 7.1 MeV
Show/Hide Answer
Option B : 7.45MeV
| CBSE Class 12 Physics Chapterwise MCQ |
|---|
| 1 : Electric Charge & Fields MCQs | 1 to 10 | 11 to 20 |
| 2 : Electrostatics Potential and Capacitance MCQs | 1 to 10 | 11 to 20 |
| 3 : Current Electricity MCQs | 1 to 10 | 11 to 20 |
| 4 : Moving charges and Magnetism MCQs | 1 to 10 | 11 to 20 |
| 5 : Magnetism and Matter MCQs | 1 to 10 | 11 to 20 |
| 6 : Electromagnetic Induction MCQs | 1 to 10 | 11 to 20 |
| 7 : Alternating Current MCQs | 1 to 10 | 11 to 20 |
| 8 : Electromagnetic Waves MCQs | 1 to 10 | 11 to 20 |
| 9 : Ray Optics and Optical Instruments MCQs | 1 to 10 | 11 to 20 |
| 10 : Wave Optics MCQs | 1 to 10 | 11 to 20 |
| 11 : Dual Nature of Radiation MCQs | 1 to 10 | 11 to 20 |
| 12 : Atoms MCQs | 1 to 10 | 11 to 20 |
| 13 : Nuclei MCQs | 1 to 10 | 11 to 20 |
| 14 : Semi Conductor Electronics MCQs | 1 to 10 | 11 to 20 |
| 15 : Communication Systems MCQs | 1 to 10 | 11 to 20 |
