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ICS Part 2 Physics
Chapter 20 Test
Start Chapter 20 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 20 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 20 Online MCQ's Test
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Question # 1
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 2
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 3
Target material used in x-rays tube have following properties.
Question # 4
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 5
In an electronic transition atom cannot emit.
Question # 6
For Holography we use
Question # 7
X-rays were discovered by
Question # 8
For an atom of hydrogen atom the radius of the first orbit is given by:
Question # 9
Frequency of x-rays depends upon.
Question # 10
Laser is a beam of light which is
Question # 11
The process by which lesser beam can be used to generate 3-dimensional images of objects is called
Question # 12
The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.
Question # 13
Charge on an atom is:
Question # 14
The longest wavelength of Paschen series is.
Question # 15
First spectral series of hydrogen atom was discovered by
Question # 16
The 1st Bohr atom in the hydrogen atom has radius
Question # 17
If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is:
ICS Part 2 Physics Chapter 20 Online Test MCQ's
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | For an atom of hydrogen atom the radius of the first orbit is given by: |
A. H/me2
B. me/4h2
C. h2/4π2 kme2
D. h2 me2
|
| 2 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
| 3 | In according with Bohr's theory the K.E of the electron is equal to: |
A. ke2/2r
B. Ze2/r
C. Ze2/r2
D. Ze2/2r2
|
| 4 | The process by which lesser beam can be used to generate 3-dimensional images of objects is called |
A. Holography
B. Geo graphy
C. Tomography
D. Radio graphy
|
| 5 | The typical nuclei are less than: |
A. 10-16m
B. 10-14m
C. 10-12m
D. 10-10m
|
| 6 | The X-rays diffraction with crystal was first studied by |
A. W.H Bragg
B. W.L. Bragg
C. Michelson
D. None of these
|
| 7 | Boher proposed his atomic model in: |
A. 1910
B. 1911
C. 1912
D. 1913
|
| 8 | If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be |
A. 136.0 volt
B. 3.0 volt
C. 13.6 volt
D. None of these
|
| 9 | For Holography we use |
A. X ray
B. Laser
C. gama rays
D. Beta rays
|
| 10 | Which of the following series of hydrogen spectrum lies in ultra violet region. |
A. Lyman sereis
B. Paschen series
C. Balmar series
D. Bracket series
|
Test Questions