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FSC Part 2 Physics
Chapter 20 Test
Start Chapter 20 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 20 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 20 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 20 Online MCQ's Test
00:00
Question # 1
The value of Rydberg constant is
Question # 2
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 3
Reflecting mirrors in laser is used to
Question # 4
The 1st Bohr atom in the hydrogen atom has radius
Question # 5
Which is not characteristic of Laser.
Question # 6
The typical nuclei are less than:
Question # 7
Laser is a beam of light which is
Question # 8
Life time of metastable states is
Question # 9
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 10
Kx -Xrays are produced due to transition of electron from.
Question # 11
If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of.
Question # 12
X- ray diffraction reveals that these are
Question # 13
Laser can be made by creating.
Question # 14
The first spectral lines were discovered in 1885, were
Question # 15
Radius of first Bohr's orbit is.
Question # 16
A° is the unit of:
Question # 17
_____ has the largest de Broglie wavelength at same speed.
FSC 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 | The series in infrared region is: |
A. Paschen series
B. Bracket series
C. Pfund series
D. All of above
|
| 2 | 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
|
| 3 | 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
|
| 4 | In Helium Neon laser, discharge tube is filled with Neon gas. |
A. 10%
B. 15%
C. 85%
D. 90%
|
| 5 | Earth orbital speed is |
A. 10 km/s
B. 20 km/s
C. 30 km/s
D. 40 km/s
|
| 6 | A° is the unit of: |
A. Energy
B. Length
C. Nuclear energy
D. Work
|
| 7 | Hydrogen atom spectrum does not lie in |
A. Ultraviolet region
B. Visible region
C. Infrared region
D. X ray region
|
| 8 | Which of the following is one of the spectral series of atomic hydrogen? |
A. Brockett series
B. Balmer series
C. P fund series
D. All of above
|
| 9 | 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
|
| 10 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
Test Questions