You are currently viewing MCQ Questions for Class 12 Physics Chapter 12 Atoms with Answer Keys

MCQ Questions for Class 12 Physics Chapter 12 Atoms with Answer Keys

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 MCQ Questions for Class 12 Physics Chapter 12 Atoms with Answer Keys.

MCQ Questions for Class 12 Physics Chapter 12 Question No 1:

In Lyman series of hydrogen spectrum lies in the region:

Option A : Infrared 

Option B : Visible

Option C : Ultraviolet

Option D : X-rays

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Option C : Ultraviolet

MCQ Questions for Class 12 Physics Chapter 12 Question No 2:

The size of an atom is of the order of:

Option A : 10-8 m

Option B : 10-10 m

Option C : 10-3 m

Option D : 10-2 m

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Option B : 10-10 m

MCQ Questions for Class 12 Physics Chapter 12 Question No 3:

Which one of the series of hydrogen sp

Option A : Lyman series

Option B : Balmer series

Option C : Paschen series

Option D : Bracket series

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Option B : Balmer series

MCQ Questions for Class 12 Physics Chapter 12 Question No 4:

The Rutherford a-particle experiment shows that most of the a-particles pass through almost unscattered while are some are scattered through large angles. What information does it give about the structure of the atom?

Option A : Atom is hollow

Option B : The whole mass of the atom is concentrated in a small centre called nucleus

Option C : Nucleus is positively charged

Option D : All the above

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Option D : All the above

MCQ Questions for Class 12 Physics Chapter 12 Question No 5:

Which of the following is true?

Option A : Lyman series is a continuous spectrum

Option B : Paschen series is a line spectrum in the infrared

Option C : Balmer series is a line spectrum in the ultraviolet

Option D : The spectral series formula can be derived from the Rutherford model of  the hydrogen atom

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Option B : Paschen series is a line spectrum in the infrared

MCQ Questions for Class 12 Physics Chapter 12 Question No 6:

When alpha particles are sent through a thin gold foil, most of them go straight through the foil, because:

Option A : Alpha particles are positively charged

Option B : Mass of alpha particle is more than of electron

Option C : Most of the part of an atom is empty space

Option D : Alpha particles moves with high velocity

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Option C : Most of the part of an atom is empty space

MCQ Questions for Class 12 Physics Chapter 12 Question No 7:

The radius of an atomic nucleus have an order of

Option A : 10-8 m

Option B : 10-15 m

Option C : 10-12 m

Option D : 10-10 m

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Option B : 10-15 m

MCQ Questions for Class 12 Physics Chapter 12 Question No 8:

In an experiment of scattering of alpha particle showed for

Option A : Electron

Option B : Proton

Option C : Neutron

Option D : Nucleus

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Option D : Nucleus

MCQ Questions for Class 12 Physics Chapter 12 Question No 9:

The existence of positively charged nucleus was established by:

Option A : Bohr’s model of H-atom

Option B : Positive ray analysis

Option C : Scattering experiment

Option D : Thomson’s model of atom

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Option C : Scattering experiment

MCQ Questions for Class 12 Physics Chapter 12 Question No 10:

According to Bohr’s postulates, an electrons revolve around the nucleus in

Option A : Dynamic

Option B : Stationary

Option C : Lower

Option D : First

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Option B : Stationary

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

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