12th Class PHYSICS Online Quiz Chapter No.9 ATOMIC SPECTRA

Physics MCQs 2nd Year Chapter No.9 ATOMIC SPECTRA Test No.1, FSc, Grade 12, Second Year Multiple Choice Questions, Medical College ( MDCAT ) , ECAT & University Admission Entry Test Exams Online Preparation, Chapter Wise Questions Answers Quiz Notes in Pdf Download, All Old Board Papers included, All Queries reply within 24 Hours. Click here to Contact us for any Query/Question regarding Exams.

Chapter Name : ATOMIC SPECTRA 
Chapter No.9  [Test No.1]
2nd Year
Multiple Choice Questions


Book Name :  PHYSICS
Chapter No. 9 (Test No.1)
Chapter Name : ATOMIC SPECTRA 
Total MCQ from Text Book :  95
Book Version  :

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 12 ( F.Sc. Intermediate)
Total Marks : 95
Total Time :   95 minutes



1 / 95

In X-Rays producing arrangement, target is made of:

2 / 95

The spectrum of visible sun light ranges from:

3 / 95

The relation between Rydberg constant(RH) and ground state energy (En) is given by the relation:

4 / 95

When an electron exists in its lowest state, it is called:

5 / 95

Radiation with wavelength greater than red light is called:

6 / 95

The radiation emitted from hydrogen filled discharge tube shows:

7 / 95

The type of spectra produced by atom is:

8 / 95

Balmer series contains the wavelength given by the formula:

9 / 95

The transition of electrons between the various shells give rise to:

10 / 95

One Widely used system is computerized axial tomography is called:

11 / 95

The SI unit of Rydberg constant is:

12 / 95

When electron in hydrogen atom jumps from higher orbit into first orbit, the set of lines emitted is called

13 / 95

X-Rays can:

14 / 95

Bohr's atomic model of hydrogen atom was proposed by Bohr in:

15 / 95

Which of the following is the spectral series of atomic hydrogen?

16 / 95

X-Rays can cause:

17 / 95

If an electron jumps from lower to higher orbit it will:

18 / 95

Total energy of an electron in an orbit around the nucleus is the sum of:

19 / 95

Total energy of an electron in an orbit around the nucleus is:

20 / 95

The energy of X-Rays depends upon:

21 / 95

The velocity of X-Rays is equal to that of:

22 / 95

The total energy of an electron revolving in the second orbit is:

23 / 95

CAT-scans can be used to detect tumors in:

24 / 95

If the nummber of electrons hitting the target in the x-tube increases, then the intensity of the X-Rays:

25 / 95

The speed of the electron in the first Bohr orbit is:

26 / 95

The reverse process of photoelectric effect is called

27 / 95

Lyman series contains the wavelength given by the forumula:

28 / 95

The spectral series were identified in the spectrum of hydrogen by:

29 / 95

After the emission of X-Rays, the atom of the target is:

30 / 95

The diameter of the atom is the order of:

31 / 95

The rest mass of X-Rays Photon is:

32 / 95

The value of Rydberg's Constant RH is:

33 / 95

Ionization energy of Hydrogen atom m first exited stated is:

34 / 95

The total energy of the electron in the nth orbit of hydrogen atom can also be written as:

35 / 95

X-Rays cannot produce pair production because:

36 / 95

K? characteristics X-Rays are produced due to the transition of the electrons:

37 / 95

The line spectrum of hydrogen atom contains the spectral lines in the region:

38 / 95

Balmer series contains the wavelength in the:

39 / 95

When electron in hydrogen atom jumps from higher orbit into second orbit, the set of lines emitted is called

40 / 95

The numerical value of ground state energy for hydrogen atom is:

41 / 95

X-Ray diffraction reveals that they are:

42 / 95

In the state n = ? of hydrogen atom, total energy of electron is:

43 / 95

The first spectral series in the spectrum of hydrogen atom was identified by Balmer in:

44 / 95

Which of the following shell is closest to nucleus

45 / 95

The penetrating power of X-Rays depends on their:

46 / 95

The scientist who studied the wavelength of all lines of the hydrogen spectrum in visible region was:

47 / 95

The continuous X-Rays spectrum is due to an effect known as:

48 / 95

When an electron jumps from higher energy orbit to lower energy orbit, the difference of encergy appears in the form of:

49 / 95

The potential required to lift an electron from ground state to excited state is called:

50 / 95

The potential required to lift an electron from ground state to higher energy state is called:

51 / 95

En-Ep = hf, where hf is the energy of:

52 / 95

J.R. Rydberg obtained a formula to describe the wavelength of the hydrogen atom in:

53 / 95

In the spectrum of which of the following will you find Balmer series:

54 / 95

The energy of the 4th orbit in hydrogen atom is:

55 / 95

Which of the phenomenon can be studied with X-Rays

56 / 95

If the ionization energy of hydrogen atom is 13.6eV, the ionization potential will be:

57 / 95

The velocity of moving electron in nth orbit is given by the relations:

58 / 95

The total energy of an electron remains constant:

59 / 95

The P.E. of an electron revolving at a distance rn from the nucleus is:

60 / 95

The radius of 1st Bohr's orbit for hydrogen atom is:

61 / 95

The wavelength of Lyman series for hydrogen spectrum lies in the:

62 / 95

The magnitude of ionization of hydrogen is:

63 / 95

The energy required to completely remove an electron from the atom is called:

64 / 95

Which of the following is an example of band spectra?

65 / 95

Which of the following is an example of continuous spectra?

66 / 95

The emissions of photons by a metal when electrons are incident is called:

67 / 95

According to 3rd postulate of Bohr's theory

68 / 95

A X-Rays Photon produced due to transition of electron from M-Shell to K-Shell is called:

69 / 95

CAT stands for:

70 / 95

When electron abosrbs some energy, it jumps to:

71 / 95

The branch of physics which deals with the investigation of wavelength and intensities of elctromagnetic radiation emitted or absorbed by atoms is called:

72 / 95

The continuous X-Rays spectrum is obtained due to:

73 / 95

Brackett and Pfund series of spectral lines lies in the:

74 / 95

Balmer empirical formula explain the electromagnetic radiations of any excited atom is in terms of their:

75 / 95

X-Rays were discovered in 1895 by:

76 / 95

X-Rays are electromagnetic wave having wavelength in the range of:

77 / 95

X-Rays are affected by:

78 / 95

The radius of the third Bohr orbit in hydrogen atom is greater than the radius of the first orbit by a factor of:

79 / 95

An is equal to:

80 / 95

X-Rays are similar in nature to:

81 / 95

X-Rays are:

82 / 95

According to Bohr Atomic Model, the angular momentum of electron in an orbit equal to an integral multiple of:

83 / 95

X-Rays exhibit the phenomenon of:

84 / 95

Which of the following radiation will burn human skin?

85 / 95

X-Rays and gamma rays of the same wavelength and intensity can be differentiated by observing:

86 / 95

The total energy of the electron in nth orbit of hydrogen atom around the nucleus is given by:

87 / 95

The wave length of shortest wave length inLyman series is equal to:

88 / 95

X-Rays eject electrons from matter by:

89 / 95

Pfund series contains the wavelength given by the forumula:

90 / 95

Which of the following is an example of line spectra?

91 / 95

With increasing orbit number(n) the energy difference between adjacent levels in atoms:

92 / 95

The radius of nth orbit of hydrogen atom can be given by:

93 / 95

When electron in hydrogen atom jumps from higher orbit into fifth orbit, the set of lines emitted is called

94 / 95

The separation of ordinary whtie light into its components by the use of prism or grating is called:

95 / 95

Electrostatic force between the electron and the nucleus of hydrogen atom is given by:

Your score is

The average score is 39%


All Candidates / Students which completed F.Sc. (Pre-Medical or Pre-Engineering Exams) with Excellent Score and seeking for Preparation of Any Exams for Job Test or Entrance Test in Medical or Engineering Universities and Colleges, They Will find the Sample Papers , Sample Test on this page. All Preparation Material for PMC (Pakistan Medical Commission), ECAT (Engineering College Admission Test) or For MDCAT (Medical and Dental College Admission Test are free of Cost. All Students will able to download or allow to save in Pdf format or E Book. The Study Material from F.Sc. Textbooks. These Online Quiz in form of Question Answers. We try to present the Multiple Choice Questions in Best form and Chosen from Past Board and MDCAT old Papers.  We make a best selection of MCQs (Multiple Choice Questions) with Questions and Answers for Admission Test on our website. All These MCQs are authentic and taking after our Verification of our Audit Teams from different areas of the World. These Thousands of MCQs cover different Topics on PHYSICS Part-2. These MCQs are best for Second Year Students. If they feel than they inform to other 12th Class Students to help them. All These MCQs (Multiple Choice Questions) are Chapter wise and downloadable in pdf format. In this Chapter we cover the Quiz/Exams about PHYSICS 2nd  Year Chapter No. 3 Test No.2 ELECTROMAGNETISM.

2nd Year PHYSICS notes and MCQs are according to latest Paper Pattern of Punjab Boards, All Exercises in Textbooks are solved to ensure the Quality Education to Medical College Students. All MCQs are according to UHS (University of Health Sciences) Lahore approved Syllabus.

Job Seeking Candidates use for CSS (Central Superior Service) , FPSC (Federal Public Service Commission Islamabad) , PPSC (Punjab Public Service Commission) , SPSC(Sindh Federal Public Service Commission) , KPPSC(Khyber-Pakhtunkhwa Public Service Commission) , BPSC ( Balochistan Public Service Commission) , UPSC (Union Public Service Commission) , PCS (Punjab Civil Services Exam) , IBPS (The Institute of Banking Personnel Selection) , UPPSC(UTTAR PRADESH PUBLIC SERVICE COMMISSION PRAYAGRAJ ) ,

In India IAS exam (officially known as the Civil Services Examination) is organized and conducted by the Union Public Service Commission (UPSC)

These PHYSICS 1ST YEAR MCQs are best for different departments like Railway, Banking , Education (Schools and Colleges),Electricity(WAPDA) or in any Private Industry.

Explanation and Solution of all past papers in this online Practice Test with Examples leads the Candidates towards Success in Interviews

Dear Student If you feel any error in any MCQ then contact us on this Email : 786times.com@gmail.com (administrator) OR Write in Comments….

*Simple and easiest way to display MCQs.
*on refresh website page,each question and Answer shuffle in MCQs.
*Time Limit is display for each test.
*no login and password required for test.
*each query entertained online via email or WhatsApp.
*score card Display.
*correct answer display at end of each question(if you wrong answered).
*Complete list of Question numbers in cells(blocks) e.g. 1, 2 , 3 ….
*Red cells show your wrong answers.
*Green cells shows correct Answers.
*Your obtained RESULT Percentage show after each Questions.
*Use your computer LAB & Internet to increase ability of STUDENTS.

Go to Previous Page for Choose Chapter