You are currently viewing Nuclei CBSE Class 12 Physics MCQ Questions with Answer Keys Solutions

Nuclei CBSE Class 12 Physics MCQ Questions with Answer Keys Solutions

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 

Show/Hide Answer

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

Show/Hide Answer

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

Show/Hide Answer

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 

Show/Hide Answer

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

Leave a Reply