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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
00:00
Question # 1
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 2
The first theory about the structure of an atom was introduced by
Question # 3
Paschen series lies in the
Question # 4
Which is not characteristic of Laser.
Question # 5
For Holography we use
Question # 6
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 7
The series in visible region is:
Question # 8
Balmer series lies in region of electromagnetic spectrum.
Question # 9
Laser can be made by creating.
Question # 10
Which of the following is one of the spectral series of atomic hydrogen?
Question # 11
If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is:
Question # 12
When an electron in an atom goes from a lower to higher orbit its:
Question # 13
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 14
In Helium Neon laser, the discharge tube is filled with
Question # 15
In according with Bohr's theory the K.E of the electron is equal to:
Question # 16
Hydrogen atom spectrum does not lie in
Question # 17
Photons emitted in inner shell transition are.
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 | Black Body radiation spectrum is an example of: |
A. Atomic spectra
B. Line spectra
C. Continuous spectra
D. None of above
|
| 2 | The line radiations emitted from by hydrogen filled discharge tube can be analyzed into. |
A. Band spectrum
B. Line spectrum
C. Continuous spectrum
D. Absorption spectrum
|
| 3 | Radius of first Bohr's orbit is. |
A. 0.053 nm
B. 0.053 mm
C. 0.053 micro meter
D. 0.053 m
|
| 4 | 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
|
| 5 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 6 | The series in visible region is: |
A. Balmer series
B. Pfund series
C. Paschen series
D. None of above
|
| 7 | _____ has the largest de Broglie wavelength at same speed. |
A. Proton
B. Alpha particle
C. Carbon atom
D. Electron
|
| 8 | 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
|
| 9 | The unit of Rh is. |
A. ms-1
B. m
C. m2
D. m-1
|
| 10 | 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
|
Test Questions