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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 longest wavelength of Paschen series is.
Question # 2
Frequency of x-rays depends upon.
Question # 3
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 4
In the Bohr's model of the hydrogen atom, the lowest orbit corresponds to:
Question # 5
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 6
The series in infrared region is:
Question # 7
In according with Bohr's theory the K.E of the electron is equal to:
Question # 8
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 9
The value of Rydberg constant is:
Question # 10
Photons emitted in inner shell transition are.
Question # 11
Which series lies in the ultraviolet region.
Question # 12
Production of x rays is reverse process of
Question # 13
The shortest wave length is Bracket series has wave length.
Question # 14
In Helium Neon laser, discharge tube is filled with Neon gas.
Question # 15
_____ has the largest de Broglie wavelength at same speed.
Question # 16
Energy produced due to fission of uranium atom is:
Question # 17
Reflecting mirrors in laser is used to
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 | Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their. |
A. Energy
B. Mass
C. Wave length
D. Momentum
|
| 2 | If electron jumps from second orbit to first orbit in hydrogen atom it emits photon of. |
A. 3.40 eV
B. 10.20 eV
C. 13.6 eV
D. 3.8 eV
|
| 3 | The first spectral lines were discovered in 1885, were |
A. Paschen series
B. Balmer series
C. Pfund series
D. Bracket series
|
| 4 | Electron volt is unit of: |
A. Chemical energy
B. Potential energy
C. Nuclear energy
D. heat energy
|
| 5 | 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
|
| 6 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 7 | Reflecting mirrors in laser is used to |
A. Further stimulation
B. For producing more energetic lasers
C. Both (a) and (b)
D. None of these
|
| 8 | The longest wavelength of Paschen series is. |
A. 656 nm
B. 1094 nm
C. 1875 nm
D. 2000 nm
|
| 9 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
| 10 | We can find from de Broglie formula |
A. Wavelength
B. Amplitude
C. Speed of wave
D. Frequency of wave
|
Test Questions