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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
Balmer Empirical formula explains the electromagnetic radiation of any excited atom in terms of their.
Question # 2
In according with Bohr's theory the K.E of the electron is equal to:
Question # 3
When meta I is heated sufficiently electrons are given off by the metal. This phenomenon is known as.
Question # 4
An electron in H -atom is excited from ground state n=4 , How many spectral lines are possible in this case.
Question # 5
In an electronic transition atom cannot emit.
Question # 6
The 1st Bohr atom in the hydrogen atom has radius
Question # 7
Laser can be made by creating.
Question # 8
Charge on an atom is:
Question # 9
The rest mass x ray photon is
Question # 10
The first laser was built by
Question # 11
The velocity of electron moving is 1st orbit of hydrogen atom is:
Question # 12
For Paschen series, the value of 'n' starts from
Question # 13
Bremsstrahlung radiation are examples of
Question # 14
Radius of first orbit of an atom is r1= 0.053 nm, Radius of second orbit r2 will be.
Question # 15
The first spectral lines were discovered in 1885, were
Question # 16
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 17
In Helium Neon laser, the discharge tube is filled with
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 visible region is: |
A. Balmer series
B. Pfund series
C. Paschen series
D. None of above
|
| 2 | The typical nuclei are less than: |
A. 10-16m
B. 10-14m
C. 10-12m
D. 10-10m
|
| 3 | Balmer series lies in region of electromagnetic spectrum. |
A. Infrared
B. Visible
C. Ultraviolet
D. Fra infrared
|
| 4 | Helium-Neon laser discharge tube contains neon |
A. 82%
B. 15%
C. 25%
D. 85%
|
| 5 | Energy produced due to fission of uranium atom is: |
A. 500MeV
B. 200MeV
C. 700MeV
D. 750MEV
|
| 6 | The temperature of core of nuclear reactor is: |
A. 1100°C
B. 1200°C
C. 1300°C
D. 1400°C
|
| 7 | Photons emitted in inner shell transition are. |
A. Continuous X -rays
B. Discontinuous X rays
C. Characteristic X rays
D. Energetic X rays
|
| 8 | 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
|
| 9 | The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is |
A. 1972
B. 1965
C. 1958
D. 1913
|
| 10 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
Test Questions
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