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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
First spectral series of hydrogen atom was discovered by
Question # 2
The following gas was identified in the sun using spectroscopy
Question # 3
The first laser was built by
Question # 4
In an electronic transition atom cannot emit.
Question # 5
The idea of laser device was first introduced by C.H. Towners and Authers Schowlan is
Question # 6
Boher proposed his atomic model in:
Question # 7
For Holography we use
Question # 8
Earth orbital speed is
Question # 9
Helium Neon Laser Beam emitted from discharge tube has a colour.
Question # 10
The typical nuclei are less than:
Question # 11
In Helium Neon laser, the discharge tube is filled with
Question # 12
Radius of first Bohr's orbit is.
Question # 13
The series in infrared region is:
Question # 14
The 1st Bohr atom in the hydrogen atom has radius
Question # 15
Photons emitted in inner shell transition are.
Question # 16
Which of the following series of hydrogen spectrum lies in ultra violet region.
Question # 17
Helium-Neon laser discharge tube contains neon
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 | Electron volt is unit of: |
A. Chemical energy
B. Potential energy
C. Nuclear energy
D. heat energy
|
| 2 | The temperature of core of nuclear reactor is: |
A. 1100°C
B. 1200°C
C. 1300°C
D. 1400°C
|
| 3 | The first theory about the structure of an atom was introduced by |
A. Neil Bohr
B. Einstein
C. Compton
D. Rutherford
|
| 4 | The Balmer series is obtained when all the transition of electrons terminate on |
A. 1st orbit
B. 2nd orbit
C. 3rd orbit
D. 4th orbit
|
| 5 | In an electronic transition atom cannot emit. |
A. Infrared radiations
B. Visible radiations
C. Ultraviolet radiations
D. Gama radiations
|
| 6 | The value of Rydberg constant is: |
A. 1.0749x107m-1
B. 1.0974 x 107 m-1
C. 1.974 x106m-1
D. 1.0974 x 10-7 m-1
|
| 7 | Which is not characteristic of Laser. |
A. Monochromatic
B. Coherent
C. Intense
D. Multi direction
|
| 8 | The shortest wave length is Bracket series has wave length. |
A. 16/Rn
B. Rn/16
C. 16 Rn
D. 4 Rn
|
| 9 | _____ has the largest de Broglie wavelength at same speed. |
A. Proton
B. Alpha particle
C. Carbon atom
D. Electron
|
| 10 | Paschen series lies in the |
A. Far ultraviolet region
B. Visible region
C. Ultraviolet region
D. Inferred region
|
Test Questions